Attachment 372737 Details for Bug 199144 – Patch

[patch] Patch

bug-199144-20190624001324.patch (text/plain), 144.35 KB, created by Yusuke Suzuki on 2019-06-24 00:13:25 PDT

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Creator: Yusuke Suzuki

Created: 2019-06-24 00:13:25 PDT

Size: 144.35 KB

patch

obsolete

>Subversion Revision: 246727
>diff --git a/Source/WebCore/ChangeLog b/Source/WebCore/ChangeLog
>index be3669f837f0142b1964176d55a3801c779bb46b..fa02445440496350d219c32a5dcf3940b987fdc1 100644
>--- a/Source/WebCore/ChangeLog
>+++ b/Source/WebCore/ChangeLog
>@@ -1,3 +1,223 @@
>+2019-06-24  Yusuke Suzuki  <ysuzuki@apple.com>
>+
>+        getConstructor should return JSObject* instead of JSValue
>+        https://bugs.webkit.org/show_bug.cgi?id=199144
>+
>+        Reviewed by NOBODY (OOPS!).
>+
>+        getConstructor should return JSObject* instead of JSValue to ensure that the returned value is always JSObject.
>+        Then, we can remove some of getObject calls.
>+
>+        * bindings/js/JSHTMLElementCustom.cpp:
>+        (WebCore::constructJSHTMLElement):
>+        * bindings/scripts/CodeGeneratorJS.pm:
>+        (GenerateHeader):
>+        (GenerateImplementation):
>+        (GenerateCallbackHeaderContent):
>+        (GenerateCallbackImplementationContent):
>+        (GenerateConstructorHelperMethods):
>+        * bindings/scripts/test/JS/JSInterfaceName.cpp:
>+        (WebCore::JSInterfaceName::getConstructor):
>+        * bindings/scripts/test/JS/JSInterfaceName.h:
>+        * bindings/scripts/test/JS/JSMapLike.cpp:
>+        (WebCore::JSMapLike::getConstructor):
>+        * bindings/scripts/test/JS/JSMapLike.h:
>+        * bindings/scripts/test/JS/JSReadOnlyMapLike.cpp:
>+        (WebCore::JSReadOnlyMapLike::getConstructor):
>+        * bindings/scripts/test/JS/JSReadOnlyMapLike.h:
>+        * bindings/scripts/test/JS/JSTestActiveDOMObject.cpp:
>+        (WebCore::JSTestActiveDOMObject::getConstructor):
>+        * bindings/scripts/test/JS/JSTestActiveDOMObject.h:
>+        * bindings/scripts/test/JS/JSTestCEReactions.cpp:
>+        (WebCore::JSTestCEReactions::getConstructor):
>+        * bindings/scripts/test/JS/JSTestCEReactions.h:
>+        * bindings/scripts/test/JS/JSTestCEReactionsStringifier.cpp:
>+        (WebCore::JSTestCEReactionsStringifier::getConstructor):
>+        * bindings/scripts/test/JS/JSTestCEReactionsStringifier.h:
>+        * bindings/scripts/test/JS/JSTestCallTracer.cpp:
>+        (WebCore::JSTestCallTracer::getConstructor):
>+        * bindings/scripts/test/JS/JSTestCallTracer.h:
>+        * bindings/scripts/test/JS/JSTestCallbackInterface.cpp:
>+        (WebCore::JSTestCallbackInterface::getConstructor):
>+        * bindings/scripts/test/JS/JSTestCallbackInterface.h:
>+        * bindings/scripts/test/JS/JSTestClassWithJSBuiltinConstructor.cpp:
>+        (WebCore::JSTestClassWithJSBuiltinConstructor::getConstructor):
>+        * bindings/scripts/test/JS/JSTestClassWithJSBuiltinConstructor.h:
>+        * bindings/scripts/test/JS/JSTestDOMJIT.cpp:
>+        (WebCore::JSTestDOMJITConstructor::prototypeForStructure):
>+        (WebCore::JSTestDOMJIT::getConstructor):
>+        * bindings/scripts/test/JS/JSTestDOMJIT.h:
>+        * bindings/scripts/test/JS/JSTestEnabledBySetting.cpp:
>+        (WebCore::JSTestEnabledBySetting::getConstructor):
>+        * bindings/scripts/test/JS/JSTestEnabledBySetting.h:
>+        * bindings/scripts/test/JS/JSTestEnabledForContext.cpp:
>+        (WebCore::JSTestEnabledForContext::getConstructor):
>+        * bindings/scripts/test/JS/JSTestEnabledForContext.h:
>+        * bindings/scripts/test/JS/JSTestEventConstructor.cpp:
>+        (WebCore::JSTestEventConstructorConstructor::prototypeForStructure):
>+        (WebCore::JSTestEventConstructor::getConstructor):
>+        * bindings/scripts/test/JS/JSTestEventConstructor.h:
>+        * bindings/scripts/test/JS/JSTestEventTarget.cpp:
>+        (WebCore::JSTestEventTargetConstructor::prototypeForStructure):
>+        (WebCore::JSTestEventTarget::getConstructor):
>+        * bindings/scripts/test/JS/JSTestEventTarget.h:
>+        * bindings/scripts/test/JS/JSTestException.cpp:
>+        (WebCore::JSTestException::getConstructor):
>+        * bindings/scripts/test/JS/JSTestException.h:
>+        * bindings/scripts/test/JS/JSTestGenerateIsReachable.cpp:
>+        (WebCore::JSTestGenerateIsReachable::getConstructor):
>+        * bindings/scripts/test/JS/JSTestGenerateIsReachable.h:
>+        * bindings/scripts/test/JS/JSTestGlobalObject.cpp:
>+        (WebCore::JSTestGlobalObject::getConstructor):
>+        * bindings/scripts/test/JS/JSTestGlobalObject.h:
>+        * bindings/scripts/test/JS/JSTestIndexedSetterNoIdentifier.cpp:
>+        (WebCore::JSTestIndexedSetterNoIdentifier::getConstructor):
>+        * bindings/scripts/test/JS/JSTestIndexedSetterNoIdentifier.h:
>+        * bindings/scripts/test/JS/JSTestIndexedSetterThrowingException.cpp:
>+        (WebCore::JSTestIndexedSetterThrowingException::getConstructor):
>+        * bindings/scripts/test/JS/JSTestIndexedSetterThrowingException.h:
>+        * bindings/scripts/test/JS/JSTestIndexedSetterWithIdentifier.cpp:
>+        (WebCore::JSTestIndexedSetterWithIdentifier::getConstructor):
>+        * bindings/scripts/test/JS/JSTestIndexedSetterWithIdentifier.h:
>+        * bindings/scripts/test/JS/JSTestInterface.cpp:
>+        (WebCore::JSTestInterface::getConstructor):
>+        * bindings/scripts/test/JS/JSTestInterface.h:
>+        * bindings/scripts/test/JS/JSTestInterfaceLeadingUnderscore.cpp:
>+        (WebCore::JSTestInterfaceLeadingUnderscore::getConstructor):
>+        * bindings/scripts/test/JS/JSTestInterfaceLeadingUnderscore.h:
>+        * bindings/scripts/test/JS/JSTestIterable.cpp:
>+        (WebCore::JSTestIterable::getConstructor):
>+        * bindings/scripts/test/JS/JSTestIterable.h:
>+        * bindings/scripts/test/JS/JSTestJSBuiltinConstructor.cpp:
>+        (WebCore::JSTestJSBuiltinConstructor::getConstructor):
>+        * bindings/scripts/test/JS/JSTestJSBuiltinConstructor.h:
>+        * bindings/scripts/test/JS/JSTestMediaQueryListListener.cpp:
>+        (WebCore::JSTestMediaQueryListListener::getConstructor):
>+        * bindings/scripts/test/JS/JSTestMediaQueryListListener.h:
>+        * bindings/scripts/test/JS/JSTestNamedAndIndexedSetterNoIdentifier.cpp:
>+        (WebCore::JSTestNamedAndIndexedSetterNoIdentifier::getConstructor):
>+        * bindings/scripts/test/JS/JSTestNamedAndIndexedSetterNoIdentifier.h:
>+        * bindings/scripts/test/JS/JSTestNamedAndIndexedSetterThrowingException.cpp:
>+        (WebCore::JSTestNamedAndIndexedSetterThrowingException::getConstructor):
>+        * bindings/scripts/test/JS/JSTestNamedAndIndexedSetterThrowingException.h:
>+        * bindings/scripts/test/JS/JSTestNamedAndIndexedSetterWithIdentifier.cpp:
>+        (WebCore::JSTestNamedAndIndexedSetterWithIdentifier::getConstructor):
>+        * bindings/scripts/test/JS/JSTestNamedAndIndexedSetterWithIdentifier.h:
>+        * bindings/scripts/test/JS/JSTestNamedConstructor.cpp:
>+        (WebCore::JSTestNamedConstructor::getConstructor):
>+        (WebCore::JSTestNamedConstructor::getNamedConstructor):
>+        * bindings/scripts/test/JS/JSTestNamedConstructor.h:
>+        * bindings/scripts/test/JS/JSTestNamedDeleterNoIdentifier.cpp:
>+        (WebCore::JSTestNamedDeleterNoIdentifier::getConstructor):
>+        * bindings/scripts/test/JS/JSTestNamedDeleterNoIdentifier.h:
>+        * bindings/scripts/test/JS/JSTestNamedDeleterThrowingException.cpp:
>+        (WebCore::JSTestNamedDeleterThrowingException::getConstructor):
>+        * bindings/scripts/test/JS/JSTestNamedDeleterThrowingException.h:
>+        * bindings/scripts/test/JS/JSTestNamedDeleterWithIdentifier.cpp:
>+        (WebCore::JSTestNamedDeleterWithIdentifier::getConstructor):
>+        * bindings/scripts/test/JS/JSTestNamedDeleterWithIdentifier.h:
>+        * bindings/scripts/test/JS/JSTestNamedDeleterWithIndexedGetter.cpp:
>+        (WebCore::JSTestNamedDeleterWithIndexedGetter::getConstructor):
>+        * bindings/scripts/test/JS/JSTestNamedDeleterWithIndexedGetter.h:
>+        * bindings/scripts/test/JS/JSTestNamedGetterCallWith.cpp:
>+        (WebCore::JSTestNamedGetterCallWith::getConstructor):
>+        * bindings/scripts/test/JS/JSTestNamedGetterCallWith.h:
>+        * bindings/scripts/test/JS/JSTestNamedGetterNoIdentifier.cpp:
>+        (WebCore::JSTestNamedGetterNoIdentifier::getConstructor):
>+        * bindings/scripts/test/JS/JSTestNamedGetterNoIdentifier.h:
>+        * bindings/scripts/test/JS/JSTestNamedGetterWithIdentifier.cpp:
>+        (WebCore::JSTestNamedGetterWithIdentifier::getConstructor):
>+        * bindings/scripts/test/JS/JSTestNamedGetterWithIdentifier.h:
>+        * bindings/scripts/test/JS/JSTestNamedSetterNoIdentifier.cpp:
>+        (WebCore::JSTestNamedSetterNoIdentifier::getConstructor):
>+        * bindings/scripts/test/JS/JSTestNamedSetterNoIdentifier.h:
>+        * bindings/scripts/test/JS/JSTestNamedSetterThrowingException.cpp:
>+        (WebCore::JSTestNamedSetterThrowingException::getConstructor):
>+        * bindings/scripts/test/JS/JSTestNamedSetterThrowingException.h:
>+        * bindings/scripts/test/JS/JSTestNamedSetterWithIdentifier.cpp:
>+        (WebCore::JSTestNamedSetterWithIdentifier::getConstructor):
>+        * bindings/scripts/test/JS/JSTestNamedSetterWithIdentifier.h:
>+        * bindings/scripts/test/JS/JSTestNamedSetterWithIndexedGetter.cpp:
>+        (WebCore::JSTestNamedSetterWithIndexedGetter::getConstructor):
>+        * bindings/scripts/test/JS/JSTestNamedSetterWithIndexedGetter.h:
>+        * bindings/scripts/test/JS/JSTestNamedSetterWithIndexedGetterAndSetter.cpp:
>+        (WebCore::JSTestNamedSetterWithIndexedGetterAndSetter::getConstructor):
>+        * bindings/scripts/test/JS/JSTestNamedSetterWithIndexedGetterAndSetter.h:
>+        * bindings/scripts/test/JS/JSTestNamedSetterWithOverrideBuiltins.cpp:
>+        (WebCore::JSTestNamedSetterWithOverrideBuiltins::getConstructor):
>+        * bindings/scripts/test/JS/JSTestNamedSetterWithOverrideBuiltins.h:
>+        * bindings/scripts/test/JS/JSTestNamedSetterWithUnforgableProperties.cpp:
>+        (WebCore::JSTestNamedSetterWithUnforgableProperties::getConstructor):
>+        * bindings/scripts/test/JS/JSTestNamedSetterWithUnforgableProperties.h:
>+        * bindings/scripts/test/JS/JSTestNamedSetterWithUnforgablePropertiesAndOverrideBuiltins.cpp:
>+        (WebCore::JSTestNamedSetterWithUnforgablePropertiesAndOverrideBuiltins::getConstructor):
>+        * bindings/scripts/test/JS/JSTestNamedSetterWithUnforgablePropertiesAndOverrideBuiltins.h:
>+        * bindings/scripts/test/JS/JSTestNode.cpp:
>+        (WebCore::JSTestNodeConstructor::prototypeForStructure):
>+        (WebCore::JSTestNode::getConstructor):
>+        * bindings/scripts/test/JS/JSTestNode.h:
>+        * bindings/scripts/test/JS/JSTestObj.cpp:
>+        (WebCore::JSTestObj::getConstructor):
>+        * bindings/scripts/test/JS/JSTestObj.h:
>+        * bindings/scripts/test/JS/JSTestOverloadedConstructors.cpp:
>+        (WebCore::JSTestOverloadedConstructors::getConstructor):
>+        * bindings/scripts/test/JS/JSTestOverloadedConstructors.h:
>+        * bindings/scripts/test/JS/JSTestOverloadedConstructorsWithSequence.cpp:
>+        (WebCore::JSTestOverloadedConstructorsWithSequence::getConstructor):
>+        * bindings/scripts/test/JS/JSTestOverloadedConstructorsWithSequence.h:
>+        * bindings/scripts/test/JS/JSTestOverrideBuiltins.cpp:
>+        (WebCore::JSTestOverrideBuiltins::getConstructor):
>+        * bindings/scripts/test/JS/JSTestOverrideBuiltins.h:
>+        * bindings/scripts/test/JS/JSTestPluginInterface.cpp:
>+        (WebCore::JSTestPluginInterface::getConstructor):
>+        * bindings/scripts/test/JS/JSTestPluginInterface.h:
>+        * bindings/scripts/test/JS/JSTestPromiseRejectionEvent.cpp:
>+        (WebCore::JSTestPromiseRejectionEventConstructor::prototypeForStructure):
>+        (WebCore::JSTestPromiseRejectionEvent::getConstructor):
>+        * bindings/scripts/test/JS/JSTestPromiseRejectionEvent.h:
>+        * bindings/scripts/test/JS/JSTestSerialization.cpp:
>+        (WebCore::JSTestSerialization::getConstructor):
>+        * bindings/scripts/test/JS/JSTestSerialization.h:
>+        * bindings/scripts/test/JS/JSTestSerializationIndirectInheritance.cpp:
>+        (WebCore::JSTestSerializationIndirectInheritanceConstructor::prototypeForStructure):
>+        (WebCore::JSTestSerializationIndirectInheritance::getConstructor):
>+        * bindings/scripts/test/JS/JSTestSerializationIndirectInheritance.h:
>+        * bindings/scripts/test/JS/JSTestSerializationInherit.cpp:
>+        (WebCore::JSTestSerializationInheritConstructor::prototypeForStructure):
>+        (WebCore::JSTestSerializationInherit::getConstructor):
>+        * bindings/scripts/test/JS/JSTestSerializationInherit.h:
>+        * bindings/scripts/test/JS/JSTestSerializationInheritFinal.cpp:
>+        (WebCore::JSTestSerializationInheritFinalConstructor::prototypeForStructure):
>+        (WebCore::JSTestSerializationInheritFinal::getConstructor):
>+        * bindings/scripts/test/JS/JSTestSerializationInheritFinal.h:
>+        * bindings/scripts/test/JS/JSTestSerializedScriptValueInterface.cpp:
>+        (WebCore::JSTestSerializedScriptValueInterface::getConstructor):
>+        * bindings/scripts/test/JS/JSTestSerializedScriptValueInterface.h:
>+        * bindings/scripts/test/JS/JSTestStringifier.cpp:
>+        (WebCore::JSTestStringifier::getConstructor):
>+        * bindings/scripts/test/JS/JSTestStringifier.h:
>+        * bindings/scripts/test/JS/JSTestStringifierAnonymousOperation.cpp:
>+        (WebCore::JSTestStringifierAnonymousOperation::getConstructor):
>+        * bindings/scripts/test/JS/JSTestStringifierAnonymousOperation.h:
>+        * bindings/scripts/test/JS/JSTestStringifierNamedOperation.cpp:
>+        (WebCore::JSTestStringifierNamedOperation::getConstructor):
>+        * bindings/scripts/test/JS/JSTestStringifierNamedOperation.h:
>+        * bindings/scripts/test/JS/JSTestStringifierOperationImplementedAs.cpp:
>+        (WebCore::JSTestStringifierOperationImplementedAs::getConstructor):
>+        * bindings/scripts/test/JS/JSTestStringifierOperationImplementedAs.h:
>+        * bindings/scripts/test/JS/JSTestStringifierOperationNamedToString.cpp:
>+        (WebCore::JSTestStringifierOperationNamedToString::getConstructor):
>+        * bindings/scripts/test/JS/JSTestStringifierOperationNamedToString.h:
>+        * bindings/scripts/test/JS/JSTestStringifierReadOnlyAttribute.cpp:
>+        (WebCore::JSTestStringifierReadOnlyAttribute::getConstructor):
>+        * bindings/scripts/test/JS/JSTestStringifierReadOnlyAttribute.h:
>+        * bindings/scripts/test/JS/JSTestStringifierReadWriteAttribute.cpp:
>+        (WebCore::JSTestStringifierReadWriteAttribute::getConstructor):
>+        * bindings/scripts/test/JS/JSTestStringifierReadWriteAttribute.h:
>+        * bindings/scripts/test/JS/JSTestTypedefs.cpp:
>+        (WebCore::JSTestTypedefs::getConstructor):
>+        * bindings/scripts/test/JS/JSTestTypedefs.h:
>+
> 2019-06-23  Simon Fraser  <simon.fraser@apple.com>
> 
>         [Async overflow scroll] Clipped composited layers inside overflow scroll jitter and get incorrectly clipped
>diff --git a/Source/WebCore/bindings/js/JSHTMLElementCustom.cpp b/Source/WebCore/bindings/js/JSHTMLElementCustom.cpp
>index 7a29ba25ec654a17bee485d868d9adc80dec1775..ca4d34ecb2092a18f83b40b75e2931b7bfa47468 100644
>--- a/Source/WebCore/bindings/js/JSHTMLElementCustom.cpp
>+++ b/Source/WebCore/bindings/js/JSHTMLElementCustom.cpp
>@@ -57,8 +57,8 @@ EncodedJSValue JSC_HOST_CALL constructJSHTMLElement(ExecState& exec)
>     JSValue newTargetValue = exec.thisValue();
>     auto* newTarget = newTargetValue.getObject();
>     auto* globalObject = jsCast<JSDOMGlobalObject*>(newTarget->globalObject(vm));
>-    JSValue htmlElementConstructorValue = JSHTMLElement::getConstructor(vm, globalObject);
>-    if (newTargetValue == htmlElementConstructorValue)
>+    JSObject* htmlElementConstructor = JSHTMLElement::getConstructor(vm, globalObject);
>+    if (newTargetValue == htmlElementConstructor)
>         return throwVMTypeError(&exec, scope, "new.target is not a valid custom element constructor"_s);
> 
>     auto& document = downcast<Document>(*context);
>diff --git a/Source/WebCore/bindings/scripts/CodeGeneratorJS.pm b/Source/WebCore/bindings/scripts/CodeGeneratorJS.pm
>index f29422dcd6e72f999286115fbdcbb06ff559a725..9ce43a2fddce6a07480646ff67a1107fdfe4390b 100644
>--- a/Source/WebCore/bindings/scripts/CodeGeneratorJS.pm
>+++ b/Source/WebCore/bindings/scripts/CodeGeneratorJS.pm
>@@ -2719,8 +2719,8 @@ sub GenerateHeader
>     
>     # Constructor object getter
>     unless ($interface->extendedAttributes->{NoInterfaceObject}) {
>-        push(@headerContent, "    static JSC::JSValue getConstructor(JSC::VM&, const JSC::JSGlobalObject*);\n");
>-        push(@headerContent, "    static JSC::JSValue getNamedConstructor(JSC::VM&, JSC::JSGlobalObject*);\n") if $interface->extendedAttributes->{NamedConstructor};
>+        push(@headerContent, "    static JSC::JSObject* getConstructor(JSC::VM&, const JSC::JSGlobalObject*);\n");
>+        push(@headerContent, "    static JSC::JSObject* getNamedConstructor(JSC::VM&, JSC::JSGlobalObject*);\n") if $interface->extendedAttributes->{NamedConstructor};
>     }
> 
>     # Serializer function.
>@@ -4442,13 +4442,13 @@ sub GenerateImplementation
>     }
> 
>     if (!$interface->extendedAttributes->{NoInterfaceObject}) {
>-        push(@implContent, "JSValue ${className}::getConstructor(VM& vm, const JSGlobalObject* globalObject)\n");
>+        push(@implContent, "JSObject* ${className}::getConstructor(VM& vm, const JSGlobalObject* globalObject)\n");
>         push(@implContent, "{\n");
>         push(@implContent, "    return getDOMConstructor<${className}Constructor>(vm, *jsCast<const JSDOMGlobalObject*>(globalObject));\n");
>         push(@implContent, "}\n\n");
> 
>         if ($interface->extendedAttributes->{NamedConstructor}) {
>-            push(@implContent, "JSValue ${className}::getNamedConstructor(VM& vm, JSGlobalObject* globalObject)\n");
>+            push(@implContent, "JSObject* ${className}::getNamedConstructor(VM& vm, JSGlobalObject* globalObject)\n");
>             push(@implContent, "{\n");
>             push(@implContent, "    return getDOMConstructor<${className}NamedConstructor>(vm, *jsCast<JSDOMGlobalObject*>(globalObject));\n");
>             push(@implContent, "}\n\n");
>@@ -6018,7 +6018,7 @@ sub GenerateCallbackHeaderContent
> 
>     push(@$contentRef, "    ${callbackDataType}* callbackData() { return m_data; }\n");
> 
>-    push(@$contentRef, "    static JSC::JSValue getConstructor(JSC::VM&, const JSC::JSGlobalObject*);\n") if @{$constants};
>+    push(@$contentRef, "    static JSC::JSObject* getConstructor(JSC::VM&, const JSC::JSGlobalObject*);\n") if @{$constants};
> 
>     push(@$contentRef, "    virtual bool operator==(const ${name}&) const override;\n\n") if $interfaceOrCallback->extendedAttributes->{CallbackNeedsOperatorEqual};
> 
>@@ -6150,7 +6150,7 @@ sub GenerateCallbackImplementationContent
> 
>         GenerateConstructorDefinitions($contentRef, $className, "", $visibleName, $interfaceOrCallback);
> 
>-        push(@$contentRef, "JSValue ${className}::getConstructor(VM& vm, const JSGlobalObject* globalObject)\n");
>+        push(@$contentRef, "JSObject* ${className}::getConstructor(VM& vm, const JSGlobalObject* globalObject)\n");
>         push(@$contentRef, "{\n");
>         push(@$contentRef, "    return getDOMConstructor<${className}Constructor>(vm, *jsCast<const JSDOMGlobalObject*>(globalObject));\n");
>         push(@$contentRef, "}\n\n");
>@@ -7324,7 +7324,7 @@ sub GenerateConstructorHelperMethods
>     if (!$generatingNamedConstructor and $interface->parentType) {
>         my $parentClassName = "JS" . $interface->parentType->name;
>         push(@$outputArray, "    auto result = ${parentClassName}::getConstructor(vm, &globalObject);\n");
>-        push(@$outputArray, "    result.getObject()->didBecomePrototype();\n");
>+        push(@$outputArray, "    result->didBecomePrototype();\n");
>         push(@$outputArray, "    return result;\n");
>     } else {
>         AddToImplIncludes("<JavaScriptCore/FunctionPrototype.h>");
>diff --git a/Source/WebCore/bindings/scripts/test/JS/JSInterfaceName.cpp b/Source/WebCore/bindings/scripts/test/JS/JSInterfaceName.cpp
>index a82f0d6ad92e570322a164d2539cbe2dc26cd295..33869c4fe356575f9a8dba5112d889168e4eef4d 100644
>--- a/Source/WebCore/bindings/scripts/test/JS/JSInterfaceName.cpp
>+++ b/Source/WebCore/bindings/scripts/test/JS/JSInterfaceName.cpp
>@@ -124,7 +124,7 @@ JSObject* JSInterfaceName::prototype(VM& vm, JSDOMGlobalObject& globalObject)
>     return getDOMPrototype<JSInterfaceName>(vm, globalObject);
> }
> 
>-JSValue JSInterfaceName::getConstructor(VM& vm, const JSGlobalObject* globalObject)
>+JSObject* JSInterfaceName::getConstructor(VM& vm, const JSGlobalObject* globalObject)
> {
>     return getDOMConstructor<JSInterfaceNameConstructor>(vm, *jsCast<const JSDOMGlobalObject*>(globalObject));
> }
>diff --git a/Source/WebCore/bindings/scripts/test/JS/JSInterfaceName.h b/Source/WebCore/bindings/scripts/test/JS/JSInterfaceName.h
>index c60a9177586c63b802b283e58a3c0fa0784a6094..59d36749db8d6a3c3eb540105260be1d4b8a3d9e 100644
>--- a/Source/WebCore/bindings/scripts/test/JS/JSInterfaceName.h
>+++ b/Source/WebCore/bindings/scripts/test/JS/JSInterfaceName.h
>@@ -49,7 +49,7 @@ class JSInterfaceName : public JSDOMWrapper<InterfaceName> {
>         return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info());
>     }
> 
>-    static JSC::JSValue getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
>+    static JSC::JSObject* getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
>     static void visitChildren(JSCell*, JSC::SlotVisitor&);
> 
>     static void heapSnapshot(JSCell*, JSC::HeapSnapshotBuilder&);
>diff --git a/Source/WebCore/bindings/scripts/test/JS/JSMapLike.cpp b/Source/WebCore/bindings/scripts/test/JS/JSMapLike.cpp
>index ba1fc77fd23bc5494e51201f6ab585456616e711..5d57e7edbba7806bcf54f817c03987ab3d920949 100644
>--- a/Source/WebCore/bindings/scripts/test/JS/JSMapLike.cpp
>+++ b/Source/WebCore/bindings/scripts/test/JS/JSMapLike.cpp
>@@ -155,7 +155,7 @@ JSObject* JSMapLike::prototype(VM& vm, JSDOMGlobalObject& globalObject)
>     return getDOMPrototype<JSMapLike>(vm, globalObject);
> }
> 
>-JSValue JSMapLike::getConstructor(VM& vm, const JSGlobalObject* globalObject)
>+JSObject* JSMapLike::getConstructor(VM& vm, const JSGlobalObject* globalObject)
> {
>     return getDOMConstructor<JSMapLikeConstructor>(vm, *jsCast<const JSDOMGlobalObject*>(globalObject));
> }
>diff --git a/Source/WebCore/bindings/scripts/test/JS/JSMapLike.h b/Source/WebCore/bindings/scripts/test/JS/JSMapLike.h
>index 206cd2ef23f51ff266dd948f86b0104b8709c213..83cc0c6caba770533e1024b0de01330e64d9ecd1 100644
>--- a/Source/WebCore/bindings/scripts/test/JS/JSMapLike.h
>+++ b/Source/WebCore/bindings/scripts/test/JS/JSMapLike.h
>@@ -48,7 +48,7 @@ class JSMapLike : public JSDOMWrapper<MapLike> {
>         return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info());
>     }
> 
>-    static JSC::JSValue getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
>+    static JSC::JSObject* getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
>     static void heapSnapshot(JSCell*, JSC::HeapSnapshotBuilder&);
> protected:
>     JSMapLike(JSC::Structure*, JSDOMGlobalObject&, Ref<MapLike>&&);
>diff --git a/Source/WebCore/bindings/scripts/test/JS/JSReadOnlyMapLike.cpp b/Source/WebCore/bindings/scripts/test/JS/JSReadOnlyMapLike.cpp
>index 3b91deddf887aa6258a100c1230f333a435d25b9..6391d98e8f4d76e4aa59027f5e7ea26366c736d9 100644
>--- a/Source/WebCore/bindings/scripts/test/JS/JSReadOnlyMapLike.cpp
>+++ b/Source/WebCore/bindings/scripts/test/JS/JSReadOnlyMapLike.cpp
>@@ -149,7 +149,7 @@ JSObject* JSReadOnlyMapLike::prototype(VM& vm, JSDOMGlobalObject& globalObject)
>     return getDOMPrototype<JSReadOnlyMapLike>(vm, globalObject);
> }
> 
>-JSValue JSReadOnlyMapLike::getConstructor(VM& vm, const JSGlobalObject* globalObject)
>+JSObject* JSReadOnlyMapLike::getConstructor(VM& vm, const JSGlobalObject* globalObject)
> {
>     return getDOMConstructor<JSReadOnlyMapLikeConstructor>(vm, *jsCast<const JSDOMGlobalObject*>(globalObject));
> }
>diff --git a/Source/WebCore/bindings/scripts/test/JS/JSReadOnlyMapLike.h b/Source/WebCore/bindings/scripts/test/JS/JSReadOnlyMapLike.h
>index b6fbb20bc7e71cfcd8518f4e5509678795a5e4d7..fab9a7cc3750ac7e6e0cac6f3f9f01e8353e37fc 100644
>--- a/Source/WebCore/bindings/scripts/test/JS/JSReadOnlyMapLike.h
>+++ b/Source/WebCore/bindings/scripts/test/JS/JSReadOnlyMapLike.h
>@@ -48,7 +48,7 @@ class JSReadOnlyMapLike : public JSDOMWrapper<ReadOnlyMapLike> {
>         return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info());
>     }
> 
>-    static JSC::JSValue getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
>+    static JSC::JSObject* getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
>     static void heapSnapshot(JSCell*, JSC::HeapSnapshotBuilder&);
> protected:
>     JSReadOnlyMapLike(JSC::Structure*, JSDOMGlobalObject&, Ref<ReadOnlyMapLike>&&);
>diff --git a/Source/WebCore/bindings/scripts/test/JS/JSTestActiveDOMObject.cpp b/Source/WebCore/bindings/scripts/test/JS/JSTestActiveDOMObject.cpp
>index e38745956aa649d82813fe0f111bcbd25708ed3e..0a8775d30a49738ebc022bae59b410f44d05ddf4 100644
>--- a/Source/WebCore/bindings/scripts/test/JS/JSTestActiveDOMObject.cpp
>+++ b/Source/WebCore/bindings/scripts/test/JS/JSTestActiveDOMObject.cpp
>@@ -153,7 +153,7 @@ JSObject* JSTestActiveDOMObject::prototype(VM& vm, JSDOMGlobalObject& globalObje
>     return getDOMPrototype<JSTestActiveDOMObject>(vm, globalObject);
> }
> 
>-JSValue JSTestActiveDOMObject::getConstructor(VM& vm, const JSGlobalObject* globalObject)
>+JSObject* JSTestActiveDOMObject::getConstructor(VM& vm, const JSGlobalObject* globalObject)
> {
>     return getDOMConstructor<JSTestActiveDOMObjectConstructor>(vm, *jsCast<const JSDOMGlobalObject*>(globalObject));
> }
>diff --git a/Source/WebCore/bindings/scripts/test/JS/JSTestActiveDOMObject.h b/Source/WebCore/bindings/scripts/test/JS/JSTestActiveDOMObject.h
>index 0e3854f08ae0edb159fea95744eb3da1dec81841..5cbaf31024985bf0fcfc9a6eee293cebe33502eb 100644
>--- a/Source/WebCore/bindings/scripts/test/JS/JSTestActiveDOMObject.h
>+++ b/Source/WebCore/bindings/scripts/test/JS/JSTestActiveDOMObject.h
>@@ -48,7 +48,7 @@ class JSTestActiveDOMObject : public JSDOMWrapper<TestActiveDOMObject> {
>         return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info());
>     }
> 
>-    static JSC::JSValue getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
>+    static JSC::JSObject* getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
>     static void heapSnapshot(JSCell*, JSC::HeapSnapshotBuilder&);
> public:
>     static const unsigned StructureFlags = Base::StructureFlags | JSC::HasStaticPropertyTable;
>diff --git a/Source/WebCore/bindings/scripts/test/JS/JSTestCEReactions.cpp b/Source/WebCore/bindings/scripts/test/JS/JSTestCEReactions.cpp
>index fc98128b3785f24588b73af578b7885a0cc55495..205acb5f2175dec45626e5bff5194dd27f333935 100644
>--- a/Source/WebCore/bindings/scripts/test/JS/JSTestCEReactions.cpp
>+++ b/Source/WebCore/bindings/scripts/test/JS/JSTestCEReactions.cpp
>@@ -157,7 +157,7 @@ JSObject* JSTestCEReactions::prototype(VM& vm, JSDOMGlobalObject& globalObject)
>     return getDOMPrototype<JSTestCEReactions>(vm, globalObject);
> }
> 
>-JSValue JSTestCEReactions::getConstructor(VM& vm, const JSGlobalObject* globalObject)
>+JSObject* JSTestCEReactions::getConstructor(VM& vm, const JSGlobalObject* globalObject)
> {
>     return getDOMConstructor<JSTestCEReactionsConstructor>(vm, *jsCast<const JSDOMGlobalObject*>(globalObject));
> }
>diff --git a/Source/WebCore/bindings/scripts/test/JS/JSTestCEReactions.h b/Source/WebCore/bindings/scripts/test/JS/JSTestCEReactions.h
>index 8ac99c9e8a54284e54fd285aec90cd385d9060c3..190f205cd358a4b0f999c241323161afc9a28efe 100644
>--- a/Source/WebCore/bindings/scripts/test/JS/JSTestCEReactions.h
>+++ b/Source/WebCore/bindings/scripts/test/JS/JSTestCEReactions.h
>@@ -48,7 +48,7 @@ class JSTestCEReactions : public JSDOMWrapper<TestCEReactions> {
>         return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info());
>     }
> 
>-    static JSC::JSValue getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
>+    static JSC::JSObject* getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
>     static void heapSnapshot(JSCell*, JSC::HeapSnapshotBuilder&);
> protected:
>     JSTestCEReactions(JSC::Structure*, JSDOMGlobalObject&, Ref<TestCEReactions>&&);
>diff --git a/Source/WebCore/bindings/scripts/test/JS/JSTestCEReactionsStringifier.cpp b/Source/WebCore/bindings/scripts/test/JS/JSTestCEReactionsStringifier.cpp
>index 636928615958f4ba7115d98dd7e6522c0e9e5137..10b836928cd96d2f787ce94befa40c4cc57a3ece 100644
>--- a/Source/WebCore/bindings/scripts/test/JS/JSTestCEReactionsStringifier.cpp
>+++ b/Source/WebCore/bindings/scripts/test/JS/JSTestCEReactionsStringifier.cpp
>@@ -139,7 +139,7 @@ JSObject* JSTestCEReactionsStringifier::prototype(VM& vm, JSDOMGlobalObject& glo
>     return getDOMPrototype<JSTestCEReactionsStringifier>(vm, globalObject);
> }
> 
>-JSValue JSTestCEReactionsStringifier::getConstructor(VM& vm, const JSGlobalObject* globalObject)
>+JSObject* JSTestCEReactionsStringifier::getConstructor(VM& vm, const JSGlobalObject* globalObject)
> {
>     return getDOMConstructor<JSTestCEReactionsStringifierConstructor>(vm, *jsCast<const JSDOMGlobalObject*>(globalObject));
> }
>diff --git a/Source/WebCore/bindings/scripts/test/JS/JSTestCEReactionsStringifier.h b/Source/WebCore/bindings/scripts/test/JS/JSTestCEReactionsStringifier.h
>index 05c1edb3eb8873491d68fca571e2b8e4d3dd25d1..43b466e4acbb49b1f30614e719c91c831512ae0c 100644
>--- a/Source/WebCore/bindings/scripts/test/JS/JSTestCEReactionsStringifier.h
>+++ b/Source/WebCore/bindings/scripts/test/JS/JSTestCEReactionsStringifier.h
>@@ -48,7 +48,7 @@ class JSTestCEReactionsStringifier : public JSDOMWrapper<TestCEReactionsStringif
>         return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info());
>     }
> 
>-    static JSC::JSValue getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
>+    static JSC::JSObject* getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
>     static void heapSnapshot(JSCell*, JSC::HeapSnapshotBuilder&);
> protected:
>     JSTestCEReactionsStringifier(JSC::Structure*, JSDOMGlobalObject&, Ref<TestCEReactionsStringifier>&&);
>diff --git a/Source/WebCore/bindings/scripts/test/JS/JSTestCallTracer.cpp b/Source/WebCore/bindings/scripts/test/JS/JSTestCallTracer.cpp
>index bfe9bb600a20f126e9659cd18135a83f87bd7333..c0f39f05c8ae579ebfeafed22455271d00f861c6 100644
>--- a/Source/WebCore/bindings/scripts/test/JS/JSTestCallTracer.cpp
>+++ b/Source/WebCore/bindings/scripts/test/JS/JSTestCallTracer.cpp
>@@ -177,7 +177,7 @@ JSObject* JSTestCallTracer::prototype(VM& vm, JSDOMGlobalObject& globalObject)
>     return getDOMPrototype<JSTestCallTracer>(vm, globalObject);
> }
> 
>-JSValue JSTestCallTracer::getConstructor(VM& vm, const JSGlobalObject* globalObject)
>+JSObject* JSTestCallTracer::getConstructor(VM& vm, const JSGlobalObject* globalObject)
> {
>     return getDOMConstructor<JSTestCallTracerConstructor>(vm, *jsCast<const JSDOMGlobalObject*>(globalObject));
> }
>diff --git a/Source/WebCore/bindings/scripts/test/JS/JSTestCallTracer.h b/Source/WebCore/bindings/scripts/test/JS/JSTestCallTracer.h
>index c7bca1f19f13dbdb9ee6c92d3971cb559f1ba41c..84fc005ca550e02c8f2200895614078467754151 100644
>--- a/Source/WebCore/bindings/scripts/test/JS/JSTestCallTracer.h
>+++ b/Source/WebCore/bindings/scripts/test/JS/JSTestCallTracer.h
>@@ -48,7 +48,7 @@ class JSTestCallTracer : public JSDOMWrapper<TestCallTracer> {
>         return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info());
>     }
> 
>-    static JSC::JSValue getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
>+    static JSC::JSObject* getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
>     static void heapSnapshot(JSCell*, JSC::HeapSnapshotBuilder&);
> protected:
>     JSTestCallTracer(JSC::Structure*, JSDOMGlobalObject&, Ref<TestCallTracer>&&);
>diff --git a/Source/WebCore/bindings/scripts/test/JS/JSTestCallbackInterface.cpp b/Source/WebCore/bindings/scripts/test/JS/JSTestCallbackInterface.cpp
>index f9f9616cbf3eef20b01c6b1d3feb85224c17d7f0..acb83b418775eab43170c3e4c0b5c5e9a2b26582 100644
>--- a/Source/WebCore/bindings/scripts/test/JS/JSTestCallbackInterface.cpp
>+++ b/Source/WebCore/bindings/scripts/test/JS/JSTestCallbackInterface.cpp
>@@ -167,7 +167,7 @@ template<> void JSTestCallbackInterfaceConstructor::initializeProperties(VM& vm,
> 
> template<> const ClassInfo JSTestCallbackInterfaceConstructor::s_info = { "TestCallbackInterface", &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSTestCallbackInterfaceConstructor) };
> 
>-JSValue JSTestCallbackInterface::getConstructor(VM& vm, const JSGlobalObject* globalObject)
>+JSObject* JSTestCallbackInterface::getConstructor(VM& vm, const JSGlobalObject* globalObject)
> {
>     return getDOMConstructor<JSTestCallbackInterfaceConstructor>(vm, *jsCast<const JSDOMGlobalObject*>(globalObject));
> }
>diff --git a/Source/WebCore/bindings/scripts/test/JS/JSTestCallbackInterface.h b/Source/WebCore/bindings/scripts/test/JS/JSTestCallbackInterface.h
>index c7f34daf3a23a560311a67f2958a780d5ba9719b..097a41232604dcb25a578f6fe1569fc8a7eab09f 100644
>--- a/Source/WebCore/bindings/scripts/test/JS/JSTestCallbackInterface.h
>+++ b/Source/WebCore/bindings/scripts/test/JS/JSTestCallbackInterface.h
>@@ -42,7 +42,7 @@ class JSTestCallbackInterface final : public TestCallbackInterface {
> 
>     virtual ~JSTestCallbackInterface();
>     JSCallbackDataStrong* callbackData() { return m_data; }
>-    static JSC::JSValue getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
>+    static JSC::JSObject* getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
> 
>     // Functions
>     CallbackResult<typename IDLVoid::ImplementationType> callbackWithNoParam() override;
>diff --git a/Source/WebCore/bindings/scripts/test/JS/JSTestClassWithJSBuiltinConstructor.cpp b/Source/WebCore/bindings/scripts/test/JS/JSTestClassWithJSBuiltinConstructor.cpp
>index 363e1903dc1290ba5a19943a73931857445a008c..cdf7ff53c8a3606a6a3831b2a360346cd7ed6095 100644
>--- a/Source/WebCore/bindings/scripts/test/JS/JSTestClassWithJSBuiltinConstructor.cpp
>+++ b/Source/WebCore/bindings/scripts/test/JS/JSTestClassWithJSBuiltinConstructor.cpp
>@@ -130,7 +130,7 @@ JSObject* JSTestClassWithJSBuiltinConstructor::prototype(VM& vm, JSDOMGlobalObje
>     return getDOMPrototype<JSTestClassWithJSBuiltinConstructor>(vm, globalObject);
> }
> 
>-JSValue JSTestClassWithJSBuiltinConstructor::getConstructor(VM& vm, const JSGlobalObject* globalObject)
>+JSObject* JSTestClassWithJSBuiltinConstructor::getConstructor(VM& vm, const JSGlobalObject* globalObject)
> {
>     return getDOMConstructor<JSTestClassWithJSBuiltinConstructorConstructor>(vm, *jsCast<const JSDOMGlobalObject*>(globalObject));
> }
>diff --git a/Source/WebCore/bindings/scripts/test/JS/JSTestClassWithJSBuiltinConstructor.h b/Source/WebCore/bindings/scripts/test/JS/JSTestClassWithJSBuiltinConstructor.h
>index 166ee73b0fc8f83ca65f8dd34f23c0cdb27bb73f..6fd8893c71253190d4dc8962d16a479484ff7170 100644
>--- a/Source/WebCore/bindings/scripts/test/JS/JSTestClassWithJSBuiltinConstructor.h
>+++ b/Source/WebCore/bindings/scripts/test/JS/JSTestClassWithJSBuiltinConstructor.h
>@@ -48,7 +48,7 @@ class JSTestClassWithJSBuiltinConstructor : public JSDOMWrapper<TestClassWithJSB
>         return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info());
>     }
> 
>-    static JSC::JSValue getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
>+    static JSC::JSObject* getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
>     static void heapSnapshot(JSCell*, JSC::HeapSnapshotBuilder&);
> protected:
>     JSTestClassWithJSBuiltinConstructor(JSC::Structure*, JSDOMGlobalObject&, Ref<TestClassWithJSBuiltinConstructor>&&);
>diff --git a/Source/WebCore/bindings/scripts/test/JS/JSTestDOMJIT.cpp b/Source/WebCore/bindings/scripts/test/JS/JSTestDOMJIT.cpp
>index 87e4555d2e18ee880fd02a920903c9b15e791afa..3e267af6673ff1f5b016845ac350ed0aa1564df1 100644
>--- a/Source/WebCore/bindings/scripts/test/JS/JSTestDOMJIT.cpp
>+++ b/Source/WebCore/bindings/scripts/test/JS/JSTestDOMJIT.cpp
>@@ -496,7 +496,7 @@ using JSTestDOMJITConstructor = JSDOMConstructorNotConstructable<JSTestDOMJIT>;
> template<> JSValue JSTestDOMJITConstructor::prototypeForStructure(JSC::VM& vm, const JSDOMGlobalObject& globalObject)
> {
>     auto result = JSNode::getConstructor(vm, &globalObject);
>-    result.getObject()->didBecomePrototype();
>+    result->didBecomePrototype();
>     return result;
> }
> 
>@@ -588,7 +588,7 @@ JSObject* JSTestDOMJIT::prototype(VM& vm, JSDOMGlobalObject& globalObject)
>     return getDOMPrototype<JSTestDOMJIT>(vm, globalObject);
> }
> 
>-JSValue JSTestDOMJIT::getConstructor(VM& vm, const JSGlobalObject* globalObject)
>+JSObject* JSTestDOMJIT::getConstructor(VM& vm, const JSGlobalObject* globalObject)
> {
>     return getDOMConstructor<JSTestDOMJITConstructor>(vm, *jsCast<const JSDOMGlobalObject*>(globalObject));
> }
>diff --git a/Source/WebCore/bindings/scripts/test/JS/JSTestDOMJIT.h b/Source/WebCore/bindings/scripts/test/JS/JSTestDOMJIT.h
>index 35fb126ec4c6e9a518f8c8f41972016d484130ee..9174738cbb519b01c26b92a22cac8a169b840ab7 100644
>--- a/Source/WebCore/bindings/scripts/test/JS/JSTestDOMJIT.h
>+++ b/Source/WebCore/bindings/scripts/test/JS/JSTestDOMJIT.h
>@@ -48,7 +48,7 @@ class JSTestDOMJIT : public JSNode {
>         return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::JSType(JSNodeType), StructureFlags), info());
>     }
> 
>-    static JSC::JSValue getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
>+    static JSC::JSObject* getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
>     static void heapSnapshot(JSCell*, JSC::HeapSnapshotBuilder&);
>     TestDOMJIT& wrapped() const
>     {
>diff --git a/Source/WebCore/bindings/scripts/test/JS/JSTestEnabledBySetting.cpp b/Source/WebCore/bindings/scripts/test/JS/JSTestEnabledBySetting.cpp
>index 6a573382a8d9bf710ce695407237e9e2b9b1369d..2316cc0b37587e53be38412ca5f33710da173081 100644
>--- a/Source/WebCore/bindings/scripts/test/JS/JSTestEnabledBySetting.cpp
>+++ b/Source/WebCore/bindings/scripts/test/JS/JSTestEnabledBySetting.cpp
>@@ -177,7 +177,7 @@ JSObject* JSTestEnabledBySetting::prototype(VM& vm, JSDOMGlobalObject& globalObj
>     return getDOMPrototype<JSTestEnabledBySetting>(vm, globalObject);
> }
> 
>-JSValue JSTestEnabledBySetting::getConstructor(VM& vm, const JSGlobalObject* globalObject)
>+JSObject* JSTestEnabledBySetting::getConstructor(VM& vm, const JSGlobalObject* globalObject)
> {
>     return getDOMConstructor<JSTestEnabledBySettingConstructor>(vm, *jsCast<const JSDOMGlobalObject*>(globalObject));
> }
>diff --git a/Source/WebCore/bindings/scripts/test/JS/JSTestEnabledBySetting.h b/Source/WebCore/bindings/scripts/test/JS/JSTestEnabledBySetting.h
>index daf6d2ea64fafde67ff83dbd3f5ecf2fa669e215..1f0fc323da23deb38706e7fe81d0b56574121860 100644
>--- a/Source/WebCore/bindings/scripts/test/JS/JSTestEnabledBySetting.h
>+++ b/Source/WebCore/bindings/scripts/test/JS/JSTestEnabledBySetting.h
>@@ -48,7 +48,7 @@ class JSTestEnabledBySetting : public JSDOMWrapper<TestEnabledBySetting> {
>         return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info());
>     }
> 
>-    static JSC::JSValue getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
>+    static JSC::JSObject* getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
>     static void heapSnapshot(JSCell*, JSC::HeapSnapshotBuilder&);
> public:
>     static const unsigned StructureFlags = Base::StructureFlags | JSC::HasStaticPropertyTable;
>diff --git a/Source/WebCore/bindings/scripts/test/JS/JSTestEnabledForContext.cpp b/Source/WebCore/bindings/scripts/test/JS/JSTestEnabledForContext.cpp
>index 1f6e1416c7c2db3078795b1d039fa6d227a28c20..ad88f3fd2de4bf2dd0a2a1b10f55d7af03e0d274 100644
>--- a/Source/WebCore/bindings/scripts/test/JS/JSTestEnabledForContext.cpp
>+++ b/Source/WebCore/bindings/scripts/test/JS/JSTestEnabledForContext.cpp
>@@ -133,7 +133,7 @@ JSObject* JSTestEnabledForContext::prototype(VM& vm, JSDOMGlobalObject& globalOb
>     return getDOMPrototype<JSTestEnabledForContext>(vm, globalObject);
> }
> 
>-JSValue JSTestEnabledForContext::getConstructor(VM& vm, const JSGlobalObject* globalObject)
>+JSObject* JSTestEnabledForContext::getConstructor(VM& vm, const JSGlobalObject* globalObject)
> {
>     return getDOMConstructor<JSTestEnabledForContextConstructor>(vm, *jsCast<const JSDOMGlobalObject*>(globalObject));
> }
>diff --git a/Source/WebCore/bindings/scripts/test/JS/JSTestEnabledForContext.h b/Source/WebCore/bindings/scripts/test/JS/JSTestEnabledForContext.h
>index b6387d4236132247f2d7c499ff4a0f956ec06ad6..4fe10d07de053789da19eff5a6925dbf79977dc3 100644
>--- a/Source/WebCore/bindings/scripts/test/JS/JSTestEnabledForContext.h
>+++ b/Source/WebCore/bindings/scripts/test/JS/JSTestEnabledForContext.h
>@@ -48,7 +48,7 @@ class JSTestEnabledForContext : public JSDOMWrapper<TestEnabledForContext> {
>         return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info());
>     }
> 
>-    static JSC::JSValue getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
>+    static JSC::JSObject* getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
>     static void heapSnapshot(JSCell*, JSC::HeapSnapshotBuilder&);
> public:
>     static const unsigned StructureFlags = Base::StructureFlags | JSC::HasStaticPropertyTable;
>diff --git a/Source/WebCore/bindings/scripts/test/JS/JSTestEventConstructor.cpp b/Source/WebCore/bindings/scripts/test/JS/JSTestEventConstructor.cpp
>index 0dcf4aff716f24cb3054332c98fab79afd551166..fe380840d5eb4f32f82b91aab4619105dbdc3c86 100644
>--- a/Source/WebCore/bindings/scripts/test/JS/JSTestEventConstructor.cpp
>+++ b/Source/WebCore/bindings/scripts/test/JS/JSTestEventConstructor.cpp
>@@ -172,7 +172,7 @@ template<> EncodedJSValue JSC_HOST_CALL JSTestEventConstructorConstructor::const
> template<> JSValue JSTestEventConstructorConstructor::prototypeForStructure(JSC::VM& vm, const JSDOMGlobalObject& globalObject)
> {
>     auto result = JSEvent::getConstructor(vm, &globalObject);
>-    result.getObject()->didBecomePrototype();
>+    result->didBecomePrototype();
>     return result;
> }
> 
>@@ -231,7 +231,7 @@ JSObject* JSTestEventConstructor::prototype(VM& vm, JSDOMGlobalObject& globalObj
>     return getDOMPrototype<JSTestEventConstructor>(vm, globalObject);
> }
> 
>-JSValue JSTestEventConstructor::getConstructor(VM& vm, const JSGlobalObject* globalObject)
>+JSObject* JSTestEventConstructor::getConstructor(VM& vm, const JSGlobalObject* globalObject)
> {
>     return getDOMConstructor<JSTestEventConstructorConstructor>(vm, *jsCast<const JSDOMGlobalObject*>(globalObject));
> }
>diff --git a/Source/WebCore/bindings/scripts/test/JS/JSTestEventConstructor.h b/Source/WebCore/bindings/scripts/test/JS/JSTestEventConstructor.h
>index 9755360e26a8c1748ef8de0a95ca1f0dc7858832..d91de51792c97c3a4ef4b8b17e478d989cc509cf 100644
>--- a/Source/WebCore/bindings/scripts/test/JS/JSTestEventConstructor.h
>+++ b/Source/WebCore/bindings/scripts/test/JS/JSTestEventConstructor.h
>@@ -48,7 +48,7 @@ class JSTestEventConstructor : public JSEvent {
>         return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::JSType(JSEventType), StructureFlags), info());
>     }
> 
>-    static JSC::JSValue getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
>+    static JSC::JSObject* getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
>     static void heapSnapshot(JSCell*, JSC::HeapSnapshotBuilder&);
>     TestEventConstructor& wrapped() const
>     {
>diff --git a/Source/WebCore/bindings/scripts/test/JS/JSTestEventTarget.cpp b/Source/WebCore/bindings/scripts/test/JS/JSTestEventTarget.cpp
>index 05e4d9f0ad0229130bc02274ce05bb6f89b58503..ed326f0fd31408b6e54d5ac7b2dc23cbe92085f1 100644
>--- a/Source/WebCore/bindings/scripts/test/JS/JSTestEventTarget.cpp
>+++ b/Source/WebCore/bindings/scripts/test/JS/JSTestEventTarget.cpp
>@@ -83,7 +83,7 @@ using JSTestEventTargetConstructor = JSDOMConstructorNotConstructable<JSTestEven
> template<> JSValue JSTestEventTargetConstructor::prototypeForStructure(JSC::VM& vm, const JSDOMGlobalObject& globalObject)
> {
>     auto result = JSEventTarget::getConstructor(vm, &globalObject);
>-    result.getObject()->didBecomePrototype();
>+    result->didBecomePrototype();
>     return result;
> }
> 
>@@ -136,7 +136,7 @@ JSObject* JSTestEventTarget::prototype(VM& vm, JSDOMGlobalObject& globalObject)
>     return getDOMPrototype<JSTestEventTarget>(vm, globalObject);
> }
> 
>-JSValue JSTestEventTarget::getConstructor(VM& vm, const JSGlobalObject* globalObject)
>+JSObject* JSTestEventTarget::getConstructor(VM& vm, const JSGlobalObject* globalObject)
> {
>     return getDOMConstructor<JSTestEventTargetConstructor>(vm, *jsCast<const JSDOMGlobalObject*>(globalObject));
> }
>diff --git a/Source/WebCore/bindings/scripts/test/JS/JSTestEventTarget.h b/Source/WebCore/bindings/scripts/test/JS/JSTestEventTarget.h
>index 7ef08da3332e7b10c4d8c554e41501ea05469949..3a1a8f62b8405e57eddd14017be0b15928139895 100644
>--- a/Source/WebCore/bindings/scripts/test/JS/JSTestEventTarget.h
>+++ b/Source/WebCore/bindings/scripts/test/JS/JSTestEventTarget.h
>@@ -52,7 +52,7 @@ class JSTestEventTarget : public JSEventTarget {
>         return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info());
>     }
> 
>-    static JSC::JSValue getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
>+    static JSC::JSObject* getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
>     static void heapSnapshot(JSCell*, JSC::HeapSnapshotBuilder&);
>     TestEventTarget& wrapped() const
>     {
>diff --git a/Source/WebCore/bindings/scripts/test/JS/JSTestException.cpp b/Source/WebCore/bindings/scripts/test/JS/JSTestException.cpp
>index 9afb2fce2e46b3f8c4fe7f8a0703a84fbc52b66c..51448808c27da3c526ce28d238f9b640ea9244b0 100644
>--- a/Source/WebCore/bindings/scripts/test/JS/JSTestException.cpp
>+++ b/Source/WebCore/bindings/scripts/test/JS/JSTestException.cpp
>@@ -128,7 +128,7 @@ JSObject* JSTestException::prototype(VM& vm, JSDOMGlobalObject& globalObject)
>     return getDOMPrototype<JSTestException>(vm, globalObject);
> }
> 
>-JSValue JSTestException::getConstructor(VM& vm, const JSGlobalObject* globalObject)
>+JSObject* JSTestException::getConstructor(VM& vm, const JSGlobalObject* globalObject)
> {
>     return getDOMConstructor<JSTestExceptionConstructor>(vm, *jsCast<const JSDOMGlobalObject*>(globalObject));
> }
>diff --git a/Source/WebCore/bindings/scripts/test/JS/JSTestException.h b/Source/WebCore/bindings/scripts/test/JS/JSTestException.h
>index ab25de750382978a00c5e094b8463b5d731f7da1..2b9cab18d1db1c804ec099c08079157e9b098db5 100644
>--- a/Source/WebCore/bindings/scripts/test/JS/JSTestException.h
>+++ b/Source/WebCore/bindings/scripts/test/JS/JSTestException.h
>@@ -49,7 +49,7 @@ class JSTestException : public JSDOMWrapper<TestException> {
>         return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info());
>     }
> 
>-    static JSC::JSValue getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
>+    static JSC::JSObject* getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
>     static void heapSnapshot(JSCell*, JSC::HeapSnapshotBuilder&);
> protected:
>     JSTestException(JSC::Structure*, JSDOMGlobalObject&, Ref<TestException>&&);
>diff --git a/Source/WebCore/bindings/scripts/test/JS/JSTestGenerateIsReachable.cpp b/Source/WebCore/bindings/scripts/test/JS/JSTestGenerateIsReachable.cpp
>index f810e9e01412a04bb1be10d0a6fc6cd0ca6894a7..854c19ca0618831eb6658dd55d3c7de0f3964a56 100644
>--- a/Source/WebCore/bindings/scripts/test/JS/JSTestGenerateIsReachable.cpp
>+++ b/Source/WebCore/bindings/scripts/test/JS/JSTestGenerateIsReachable.cpp
>@@ -137,7 +137,7 @@ JSObject* JSTestGenerateIsReachable::prototype(VM& vm, JSDOMGlobalObject& global
>     return getDOMPrototype<JSTestGenerateIsReachable>(vm, globalObject);
> }
> 
>-JSValue JSTestGenerateIsReachable::getConstructor(VM& vm, const JSGlobalObject* globalObject)
>+JSObject* JSTestGenerateIsReachable::getConstructor(VM& vm, const JSGlobalObject* globalObject)
> {
>     return getDOMConstructor<JSTestGenerateIsReachableConstructor>(vm, *jsCast<const JSDOMGlobalObject*>(globalObject));
> }
>diff --git a/Source/WebCore/bindings/scripts/test/JS/JSTestGenerateIsReachable.h b/Source/WebCore/bindings/scripts/test/JS/JSTestGenerateIsReachable.h
>index 0065023501d3e8368482cb8ea6a8b7b2dd882e99..6b9b68f958aeeb05428761189ec9f9c0508b468f 100644
>--- a/Source/WebCore/bindings/scripts/test/JS/JSTestGenerateIsReachable.h
>+++ b/Source/WebCore/bindings/scripts/test/JS/JSTestGenerateIsReachable.h
>@@ -48,7 +48,7 @@ class JSTestGenerateIsReachable : public JSDOMWrapper<TestGenerateIsReachable> {
>         return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info());
>     }
> 
>-    static JSC::JSValue getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
>+    static JSC::JSObject* getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
>     static void heapSnapshot(JSCell*, JSC::HeapSnapshotBuilder&);
> protected:
>     JSTestGenerateIsReachable(JSC::Structure*, JSDOMGlobalObject&, Ref<TestGenerateIsReachable>&&);
>diff --git a/Source/WebCore/bindings/scripts/test/JS/JSTestGlobalObject.cpp b/Source/WebCore/bindings/scripts/test/JS/JSTestGlobalObject.cpp
>index b8914f986783d3f98499ddad5aa4e45ca9555b3d..71d8ae77176088014400844eeeb89e6b934b91ed 100644
>--- a/Source/WebCore/bindings/scripts/test/JS/JSTestGlobalObject.cpp
>+++ b/Source/WebCore/bindings/scripts/test/JS/JSTestGlobalObject.cpp
>@@ -743,7 +743,7 @@ void JSTestGlobalObject::finishCreation(VM& vm)
> #endif
> }
> 
>-JSValue JSTestGlobalObject::getConstructor(VM& vm, const JSGlobalObject* globalObject)
>+JSObject* JSTestGlobalObject::getConstructor(VM& vm, const JSGlobalObject* globalObject)
> {
>     return getDOMConstructor<JSTestGlobalObjectConstructor>(vm, *jsCast<const JSDOMGlobalObject*>(globalObject));
> }
>diff --git a/Source/WebCore/bindings/scripts/test/JS/JSTestGlobalObject.h b/Source/WebCore/bindings/scripts/test/JS/JSTestGlobalObject.h
>index dac01ff1b50337c4e668c90e7e169e714178a38f..d524e6de01dab6b37d37bdf9284ba943cf825d95 100644
>--- a/Source/WebCore/bindings/scripts/test/JS/JSTestGlobalObject.h
>+++ b/Source/WebCore/bindings/scripts/test/JS/JSTestGlobalObject.h
>@@ -50,7 +50,7 @@ class JSTestGlobalObject : public JSDOMWrapper<TestGlobalObject> {
>         return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::GlobalObjectType, StructureFlags), info());
>     }
> 
>-    static JSC::JSValue getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
>+    static JSC::JSObject* getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
>     static void heapSnapshot(JSCell*, JSC::HeapSnapshotBuilder&);
> public:
>     static const unsigned StructureFlags = Base::StructureFlags | JSC::HasStaticPropertyTable;
>diff --git a/Source/WebCore/bindings/scripts/test/JS/JSTestIndexedSetterNoIdentifier.cpp b/Source/WebCore/bindings/scripts/test/JS/JSTestIndexedSetterNoIdentifier.cpp
>index 9db29635e4e8aa80b878ddb71862ccb610198ffa..28b1171b76b86852e501871e3e954af64736c125 100644
>--- a/Source/WebCore/bindings/scripts/test/JS/JSTestIndexedSetterNoIdentifier.cpp
>+++ b/Source/WebCore/bindings/scripts/test/JS/JSTestIndexedSetterNoIdentifier.cpp
>@@ -126,7 +126,7 @@ JSObject* JSTestIndexedSetterNoIdentifier::prototype(VM& vm, JSDOMGlobalObject&
>     return getDOMPrototype<JSTestIndexedSetterNoIdentifier>(vm, globalObject);
> }
> 
>-JSValue JSTestIndexedSetterNoIdentifier::getConstructor(VM& vm, const JSGlobalObject* globalObject)
>+JSObject* JSTestIndexedSetterNoIdentifier::getConstructor(VM& vm, const JSGlobalObject* globalObject)
> {
>     return getDOMConstructor<JSTestIndexedSetterNoIdentifierConstructor>(vm, *jsCast<const JSDOMGlobalObject*>(globalObject));
> }
>diff --git a/Source/WebCore/bindings/scripts/test/JS/JSTestIndexedSetterNoIdentifier.h b/Source/WebCore/bindings/scripts/test/JS/JSTestIndexedSetterNoIdentifier.h
>index 771b6cab27444cec85b6d8820a5e18e684742dfc..1f5ae2b675d3f87071ef8f7604d251d48d8c85cc 100644
>--- a/Source/WebCore/bindings/scripts/test/JS/JSTestIndexedSetterNoIdentifier.h
>+++ b/Source/WebCore/bindings/scripts/test/JS/JSTestIndexedSetterNoIdentifier.h
>@@ -54,7 +54,7 @@ class JSTestIndexedSetterNoIdentifier : public JSDOMWrapper<TestIndexedSetterNoI
>         return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info());
>     }
> 
>-    static JSC::JSValue getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
>+    static JSC::JSObject* getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
>     static void heapSnapshot(JSCell*, JSC::HeapSnapshotBuilder&);
> public:
>     static const unsigned StructureFlags = Base::StructureFlags | JSC::InterceptsGetOwnPropertySlotByIndexEvenWhenLengthIsNotZero | JSC::OverridesGetOwnPropertySlot | JSC::OverridesGetPropertyNames;
>diff --git a/Source/WebCore/bindings/scripts/test/JS/JSTestIndexedSetterThrowingException.cpp b/Source/WebCore/bindings/scripts/test/JS/JSTestIndexedSetterThrowingException.cpp
>index 17fbf916577e16260432e2568f4ffb2a8142ff1b..6a338cfacd422c5dce7ba76efaea09edc0bea6c6 100644
>--- a/Source/WebCore/bindings/scripts/test/JS/JSTestIndexedSetterThrowingException.cpp
>+++ b/Source/WebCore/bindings/scripts/test/JS/JSTestIndexedSetterThrowingException.cpp
>@@ -126,7 +126,7 @@ JSObject* JSTestIndexedSetterThrowingException::prototype(VM& vm, JSDOMGlobalObj
>     return getDOMPrototype<JSTestIndexedSetterThrowingException>(vm, globalObject);
> }
> 
>-JSValue JSTestIndexedSetterThrowingException::getConstructor(VM& vm, const JSGlobalObject* globalObject)
>+JSObject* JSTestIndexedSetterThrowingException::getConstructor(VM& vm, const JSGlobalObject* globalObject)
> {
>     return getDOMConstructor<JSTestIndexedSetterThrowingExceptionConstructor>(vm, *jsCast<const JSDOMGlobalObject*>(globalObject));
> }
>diff --git a/Source/WebCore/bindings/scripts/test/JS/JSTestIndexedSetterThrowingException.h b/Source/WebCore/bindings/scripts/test/JS/JSTestIndexedSetterThrowingException.h
>index a9115e052d2f703c77ead9e5cb0ab86683f8a621..cd2b5b2687553d40f673ab923c4447a959e6b9f2 100644
>--- a/Source/WebCore/bindings/scripts/test/JS/JSTestIndexedSetterThrowingException.h
>+++ b/Source/WebCore/bindings/scripts/test/JS/JSTestIndexedSetterThrowingException.h
>@@ -54,7 +54,7 @@ class JSTestIndexedSetterThrowingException : public JSDOMWrapper<TestIndexedSett
>         return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info());
>     }
> 
>-    static JSC::JSValue getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
>+    static JSC::JSObject* getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
>     static void heapSnapshot(JSCell*, JSC::HeapSnapshotBuilder&);
> public:
>     static const unsigned StructureFlags = Base::StructureFlags | JSC::InterceptsGetOwnPropertySlotByIndexEvenWhenLengthIsNotZero | JSC::OverridesGetOwnPropertySlot | JSC::OverridesGetPropertyNames;
>diff --git a/Source/WebCore/bindings/scripts/test/JS/JSTestIndexedSetterWithIdentifier.cpp b/Source/WebCore/bindings/scripts/test/JS/JSTestIndexedSetterWithIdentifier.cpp
>index 44a5f45eb9dc59ee9555570f48d6a6be9cebbb0d..dc29ad28825d72ed297d0208df40490c91127c98 100644
>--- a/Source/WebCore/bindings/scripts/test/JS/JSTestIndexedSetterWithIdentifier.cpp
>+++ b/Source/WebCore/bindings/scripts/test/JS/JSTestIndexedSetterWithIdentifier.cpp
>@@ -133,7 +133,7 @@ JSObject* JSTestIndexedSetterWithIdentifier::prototype(VM& vm, JSDOMGlobalObject
>     return getDOMPrototype<JSTestIndexedSetterWithIdentifier>(vm, globalObject);
> }
> 
>-JSValue JSTestIndexedSetterWithIdentifier::getConstructor(VM& vm, const JSGlobalObject* globalObject)
>+JSObject* JSTestIndexedSetterWithIdentifier::getConstructor(VM& vm, const JSGlobalObject* globalObject)
> {
>     return getDOMConstructor<JSTestIndexedSetterWithIdentifierConstructor>(vm, *jsCast<const JSDOMGlobalObject*>(globalObject));
> }
>diff --git a/Source/WebCore/bindings/scripts/test/JS/JSTestIndexedSetterWithIdentifier.h b/Source/WebCore/bindings/scripts/test/JS/JSTestIndexedSetterWithIdentifier.h
>index 7683f64440eaf42add7cad72d1eb8120b5cbe470..af7ac2026161631a38796939dcfd137a8d063492 100644
>--- a/Source/WebCore/bindings/scripts/test/JS/JSTestIndexedSetterWithIdentifier.h
>+++ b/Source/WebCore/bindings/scripts/test/JS/JSTestIndexedSetterWithIdentifier.h
>@@ -54,7 +54,7 @@ class JSTestIndexedSetterWithIdentifier : public JSDOMWrapper<TestIndexedSetterW
>         return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info());
>     }
> 
>-    static JSC::JSValue getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
>+    static JSC::JSObject* getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
>     static void heapSnapshot(JSCell*, JSC::HeapSnapshotBuilder&);
> public:
>     static const unsigned StructureFlags = Base::StructureFlags | JSC::InterceptsGetOwnPropertySlotByIndexEvenWhenLengthIsNotZero | JSC::OverridesGetOwnPropertySlot | JSC::OverridesGetPropertyNames;
>diff --git a/Source/WebCore/bindings/scripts/test/JS/JSTestInterface.cpp b/Source/WebCore/bindings/scripts/test/JS/JSTestInterface.cpp
>index 60323ac3c4f297dd281a1aad59a349cba4ae642b..e6fb222bc527b1685c68e28a2bbd473bb025e46d 100644
>--- a/Source/WebCore/bindings/scripts/test/JS/JSTestInterface.cpp
>+++ b/Source/WebCore/bindings/scripts/test/JS/JSTestInterface.cpp
>@@ -430,7 +430,7 @@ JSObject* JSTestInterface::prototype(VM& vm, JSDOMGlobalObject& globalObject)
>     return getDOMPrototype<JSTestInterface>(vm, globalObject);
> }
> 
>-JSValue JSTestInterface::getConstructor(VM& vm, const JSGlobalObject* globalObject)
>+JSObject* JSTestInterface::getConstructor(VM& vm, const JSGlobalObject* globalObject)
> {
>     return getDOMConstructor<JSTestInterfaceConstructor>(vm, *jsCast<const JSDOMGlobalObject*>(globalObject));
> }
>diff --git a/Source/WebCore/bindings/scripts/test/JS/JSTestInterface.h b/Source/WebCore/bindings/scripts/test/JS/JSTestInterface.h
>index a55a4e1aea426de16a7b8acb2276169c8d4b5cc0..fd8e075160cccdd3a4efa81d2398cf91afa0fb13 100644
>--- a/Source/WebCore/bindings/scripts/test/JS/JSTestInterface.h
>+++ b/Source/WebCore/bindings/scripts/test/JS/JSTestInterface.h
>@@ -52,7 +52,7 @@ class WEBCORE_EXPORT JSTestInterface : public JSDOMWrapper<TestInterface> {
>         return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info());
>     }
> 
>-    static JSC::JSValue getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
>+    static JSC::JSObject* getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
>     static void heapSnapshot(JSCell*, JSC::HeapSnapshotBuilder&);
> 
>     // Custom attributes
>diff --git a/Source/WebCore/bindings/scripts/test/JS/JSTestInterfaceLeadingUnderscore.cpp b/Source/WebCore/bindings/scripts/test/JS/JSTestInterfaceLeadingUnderscore.cpp
>index 62fd904828beea722d1e52575871a185b7d35405..454669ed3d7607b4803e7e8121650e48a9eda3a7 100644
>--- a/Source/WebCore/bindings/scripts/test/JS/JSTestInterfaceLeadingUnderscore.cpp
>+++ b/Source/WebCore/bindings/scripts/test/JS/JSTestInterfaceLeadingUnderscore.cpp
>@@ -128,7 +128,7 @@ JSObject* JSTestInterfaceLeadingUnderscore::prototype(VM& vm, JSDOMGlobalObject&
>     return getDOMPrototype<JSTestInterfaceLeadingUnderscore>(vm, globalObject);
> }
> 
>-JSValue JSTestInterfaceLeadingUnderscore::getConstructor(VM& vm, const JSGlobalObject* globalObject)
>+JSObject* JSTestInterfaceLeadingUnderscore::getConstructor(VM& vm, const JSGlobalObject* globalObject)
> {
>     return getDOMConstructor<JSTestInterfaceLeadingUnderscoreConstructor>(vm, *jsCast<const JSDOMGlobalObject*>(globalObject));
> }
>diff --git a/Source/WebCore/bindings/scripts/test/JS/JSTestInterfaceLeadingUnderscore.h b/Source/WebCore/bindings/scripts/test/JS/JSTestInterfaceLeadingUnderscore.h
>index 4cc8d8c728cdd898934c2e0a5ccf8c211ba176f4..83ac2bffb02145f456738a8d8341292a2155a081 100644
>--- a/Source/WebCore/bindings/scripts/test/JS/JSTestInterfaceLeadingUnderscore.h
>+++ b/Source/WebCore/bindings/scripts/test/JS/JSTestInterfaceLeadingUnderscore.h
>@@ -48,7 +48,7 @@ class JSTestInterfaceLeadingUnderscore : public JSDOMWrapper<TestInterfaceLeadin
>         return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info());
>     }
> 
>-    static JSC::JSValue getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
>+    static JSC::JSObject* getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
>     static void heapSnapshot(JSCell*, JSC::HeapSnapshotBuilder&);
> protected:
>     JSTestInterfaceLeadingUnderscore(JSC::Structure*, JSDOMGlobalObject&, Ref<TestInterfaceLeadingUnderscore>&&);
>diff --git a/Source/WebCore/bindings/scripts/test/JS/JSTestIterable.cpp b/Source/WebCore/bindings/scripts/test/JS/JSTestIterable.cpp
>index 802c54937478cc14afe9333f358ac21f8c7ed526..cdb83a7f24598074dcf35465795cb4f37f6bad8d 100644
>--- a/Source/WebCore/bindings/scripts/test/JS/JSTestIterable.cpp
>+++ b/Source/WebCore/bindings/scripts/test/JS/JSTestIterable.cpp
>@@ -140,7 +140,7 @@ JSObject* JSTestIterable::prototype(VM& vm, JSDOMGlobalObject& globalObject)
>     return getDOMPrototype<JSTestIterable>(vm, globalObject);
> }
> 
>-JSValue JSTestIterable::getConstructor(VM& vm, const JSGlobalObject* globalObject)
>+JSObject* JSTestIterable::getConstructor(VM& vm, const JSGlobalObject* globalObject)
> {
>     return getDOMConstructor<JSTestIterableConstructor>(vm, *jsCast<const JSDOMGlobalObject*>(globalObject));
> }
>diff --git a/Source/WebCore/bindings/scripts/test/JS/JSTestIterable.h b/Source/WebCore/bindings/scripts/test/JS/JSTestIterable.h
>index 6489f26100c7cf67ed58c8a36e29a540de9a006b..85bcc71f03c421b9f054fe1603871a4f1ff4abed 100644
>--- a/Source/WebCore/bindings/scripts/test/JS/JSTestIterable.h
>+++ b/Source/WebCore/bindings/scripts/test/JS/JSTestIterable.h
>@@ -48,7 +48,7 @@ class JSTestIterable : public JSDOMWrapper<TestIterable> {
>         return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info());
>     }
> 
>-    static JSC::JSValue getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
>+    static JSC::JSObject* getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
>     static void heapSnapshot(JSCell*, JSC::HeapSnapshotBuilder&);
> protected:
>     JSTestIterable(JSC::Structure*, JSDOMGlobalObject&, Ref<TestIterable>&&);
>diff --git a/Source/WebCore/bindings/scripts/test/JS/JSTestJSBuiltinConstructor.cpp b/Source/WebCore/bindings/scripts/test/JS/JSTestJSBuiltinConstructor.cpp
>index 19129293662de64b04449827134f8f22b062cf6c..2afac210db2ca113c3038f33e6014582741d62d3 100644
>--- a/Source/WebCore/bindings/scripts/test/JS/JSTestJSBuiltinConstructor.cpp
>+++ b/Source/WebCore/bindings/scripts/test/JS/JSTestJSBuiltinConstructor.cpp
>@@ -139,7 +139,7 @@ JSObject* JSTestJSBuiltinConstructor::prototype(VM& vm, JSDOMGlobalObject& globa
>     return getDOMPrototype<JSTestJSBuiltinConstructor>(vm, globalObject);
> }
> 
>-JSValue JSTestJSBuiltinConstructor::getConstructor(VM& vm, const JSGlobalObject* globalObject)
>+JSObject* JSTestJSBuiltinConstructor::getConstructor(VM& vm, const JSGlobalObject* globalObject)
> {
>     return getDOMConstructor<JSTestJSBuiltinConstructorConstructor>(vm, *jsCast<const JSDOMGlobalObject*>(globalObject));
> }
>diff --git a/Source/WebCore/bindings/scripts/test/JS/JSTestJSBuiltinConstructor.h b/Source/WebCore/bindings/scripts/test/JS/JSTestJSBuiltinConstructor.h
>index d6d800f93b54612b4afb7f44de3005d3e43ba939..bfb860e6d33b0a6d2652c00e02d88b1952e5670d 100644
>--- a/Source/WebCore/bindings/scripts/test/JS/JSTestJSBuiltinConstructor.h
>+++ b/Source/WebCore/bindings/scripts/test/JS/JSTestJSBuiltinConstructor.h
>@@ -45,7 +45,7 @@ class JSTestJSBuiltinConstructor : public JSDOMObject {
>         return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info());
>     }
> 
>-    static JSC::JSValue getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
>+    static JSC::JSObject* getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
> 
>     // Custom attributes
>     JSC::JSValue testAttributeCustom(JSC::ExecState&) const;
>diff --git a/Source/WebCore/bindings/scripts/test/JS/JSTestMediaQueryListListener.cpp b/Source/WebCore/bindings/scripts/test/JS/JSTestMediaQueryListListener.cpp
>index 8ca4cda8b1de59ef0c0c69a7096da871ccd5ba67..94c84b1b39d28e757aed38b6240ade94be8617be 100644
>--- a/Source/WebCore/bindings/scripts/test/JS/JSTestMediaQueryListListener.cpp
>+++ b/Source/WebCore/bindings/scripts/test/JS/JSTestMediaQueryListListener.cpp
>@@ -133,7 +133,7 @@ JSObject* JSTestMediaQueryListListener::prototype(VM& vm, JSDOMGlobalObject& glo
>     return getDOMPrototype<JSTestMediaQueryListListener>(vm, globalObject);
> }
> 
>-JSValue JSTestMediaQueryListListener::getConstructor(VM& vm, const JSGlobalObject* globalObject)
>+JSObject* JSTestMediaQueryListListener::getConstructor(VM& vm, const JSGlobalObject* globalObject)
> {
>     return getDOMConstructor<JSTestMediaQueryListListenerConstructor>(vm, *jsCast<const JSDOMGlobalObject*>(globalObject));
> }
>diff --git a/Source/WebCore/bindings/scripts/test/JS/JSTestMediaQueryListListener.h b/Source/WebCore/bindings/scripts/test/JS/JSTestMediaQueryListListener.h
>index d0375e3af77feb133d74d48e21d84da29f15e9ab..cd1fdfbffb566a2d86c2d0ff8a907f9c31efa1c7 100644
>--- a/Source/WebCore/bindings/scripts/test/JS/JSTestMediaQueryListListener.h
>+++ b/Source/WebCore/bindings/scripts/test/JS/JSTestMediaQueryListListener.h
>@@ -48,7 +48,7 @@ class JSTestMediaQueryListListener : public JSDOMWrapper<TestMediaQueryListListe
>         return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info());
>     }
> 
>-    static JSC::JSValue getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
>+    static JSC::JSObject* getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
>     static void heapSnapshot(JSCell*, JSC::HeapSnapshotBuilder&);
> protected:
>     JSTestMediaQueryListListener(JSC::Structure*, JSDOMGlobalObject&, Ref<TestMediaQueryListListener>&&);
>diff --git a/Source/WebCore/bindings/scripts/test/JS/JSTestNamedAndIndexedSetterNoIdentifier.cpp b/Source/WebCore/bindings/scripts/test/JS/JSTestNamedAndIndexedSetterNoIdentifier.cpp
>index 7a4a5e6e1c189c0e705ebc28908f0e50b187131f..44367cfcff3cae384e093689e8e0f139b7c7a790 100644
>--- a/Source/WebCore/bindings/scripts/test/JS/JSTestNamedAndIndexedSetterNoIdentifier.cpp
>+++ b/Source/WebCore/bindings/scripts/test/JS/JSTestNamedAndIndexedSetterNoIdentifier.cpp
>@@ -127,7 +127,7 @@ JSObject* JSTestNamedAndIndexedSetterNoIdentifier::prototype(VM& vm, JSDOMGlobal
>     return getDOMPrototype<JSTestNamedAndIndexedSetterNoIdentifier>(vm, globalObject);
> }
> 
>-JSValue JSTestNamedAndIndexedSetterNoIdentifier::getConstructor(VM& vm, const JSGlobalObject* globalObject)
>+JSObject* JSTestNamedAndIndexedSetterNoIdentifier::getConstructor(VM& vm, const JSGlobalObject* globalObject)
> {
>     return getDOMConstructor<JSTestNamedAndIndexedSetterNoIdentifierConstructor>(vm, *jsCast<const JSDOMGlobalObject*>(globalObject));
> }
>diff --git a/Source/WebCore/bindings/scripts/test/JS/JSTestNamedAndIndexedSetterNoIdentifier.h b/Source/WebCore/bindings/scripts/test/JS/JSTestNamedAndIndexedSetterNoIdentifier.h
>index 823e666cb5efb8fd4cbf9c74baa6d7b6ddfb22ad..386a64035a082a102458a9b1b0f375f689757cd9 100644
>--- a/Source/WebCore/bindings/scripts/test/JS/JSTestNamedAndIndexedSetterNoIdentifier.h
>+++ b/Source/WebCore/bindings/scripts/test/JS/JSTestNamedAndIndexedSetterNoIdentifier.h
>@@ -54,7 +54,7 @@ class JSTestNamedAndIndexedSetterNoIdentifier : public JSDOMWrapper<TestNamedAnd
>         return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info());
>     }
> 
>-    static JSC::JSValue getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
>+    static JSC::JSObject* getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
>     static void heapSnapshot(JSCell*, JSC::HeapSnapshotBuilder&);
> public:
>     static const unsigned StructureFlags = Base::StructureFlags | JSC::GetOwnPropertySlotIsImpureForPropertyAbsence | JSC::InterceptsGetOwnPropertySlotByIndexEvenWhenLengthIsNotZero | JSC::OverridesGetOwnPropertySlot | JSC::OverridesGetPropertyNames;
>diff --git a/Source/WebCore/bindings/scripts/test/JS/JSTestNamedAndIndexedSetterThrowingException.cpp b/Source/WebCore/bindings/scripts/test/JS/JSTestNamedAndIndexedSetterThrowingException.cpp
>index 8ad341cdff745962664daabfe577835647467738..930a9e3d4de8e3cc05cb09a80e9c0a658038eb87 100644
>--- a/Source/WebCore/bindings/scripts/test/JS/JSTestNamedAndIndexedSetterThrowingException.cpp
>+++ b/Source/WebCore/bindings/scripts/test/JS/JSTestNamedAndIndexedSetterThrowingException.cpp
>@@ -127,7 +127,7 @@ JSObject* JSTestNamedAndIndexedSetterThrowingException::prototype(VM& vm, JSDOMG
>     return getDOMPrototype<JSTestNamedAndIndexedSetterThrowingException>(vm, globalObject);
> }
> 
>-JSValue JSTestNamedAndIndexedSetterThrowingException::getConstructor(VM& vm, const JSGlobalObject* globalObject)
>+JSObject* JSTestNamedAndIndexedSetterThrowingException::getConstructor(VM& vm, const JSGlobalObject* globalObject)
> {
>     return getDOMConstructor<JSTestNamedAndIndexedSetterThrowingExceptionConstructor>(vm, *jsCast<const JSDOMGlobalObject*>(globalObject));
> }
>diff --git a/Source/WebCore/bindings/scripts/test/JS/JSTestNamedAndIndexedSetterThrowingException.h b/Source/WebCore/bindings/scripts/test/JS/JSTestNamedAndIndexedSetterThrowingException.h
>index dc9431ce0f6b93a6622a56960ca771f3935f2875..31bb9dc92643af913ee2e2f2c78c921cc1cbf715 100644
>--- a/Source/WebCore/bindings/scripts/test/JS/JSTestNamedAndIndexedSetterThrowingException.h
>+++ b/Source/WebCore/bindings/scripts/test/JS/JSTestNamedAndIndexedSetterThrowingException.h
>@@ -54,7 +54,7 @@ class JSTestNamedAndIndexedSetterThrowingException : public JSDOMWrapper<TestNam
>         return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info());
>     }
> 
>-    static JSC::JSValue getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
>+    static JSC::JSObject* getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
>     static void heapSnapshot(JSCell*, JSC::HeapSnapshotBuilder&);
> public:
>     static const unsigned StructureFlags = Base::StructureFlags | JSC::GetOwnPropertySlotIsImpureForPropertyAbsence | JSC::InterceptsGetOwnPropertySlotByIndexEvenWhenLengthIsNotZero | JSC::OverridesGetOwnPropertySlot | JSC::OverridesGetPropertyNames;
>diff --git a/Source/WebCore/bindings/scripts/test/JS/JSTestNamedAndIndexedSetterWithIdentifier.cpp b/Source/WebCore/bindings/scripts/test/JS/JSTestNamedAndIndexedSetterWithIdentifier.cpp
>index e9bdcf49ed5a801f8d7d2457b30aca0c26b12fb7..37dcaf9bcea1ac9b6b544387141564c3c84e4c1a 100644
>--- a/Source/WebCore/bindings/scripts/test/JS/JSTestNamedAndIndexedSetterWithIdentifier.cpp
>+++ b/Source/WebCore/bindings/scripts/test/JS/JSTestNamedAndIndexedSetterWithIdentifier.cpp
>@@ -136,7 +136,7 @@ JSObject* JSTestNamedAndIndexedSetterWithIdentifier::prototype(VM& vm, JSDOMGlob
>     return getDOMPrototype<JSTestNamedAndIndexedSetterWithIdentifier>(vm, globalObject);
> }
> 
>-JSValue JSTestNamedAndIndexedSetterWithIdentifier::getConstructor(VM& vm, const JSGlobalObject* globalObject)
>+JSObject* JSTestNamedAndIndexedSetterWithIdentifier::getConstructor(VM& vm, const JSGlobalObject* globalObject)
> {
>     return getDOMConstructor<JSTestNamedAndIndexedSetterWithIdentifierConstructor>(vm, *jsCast<const JSDOMGlobalObject*>(globalObject));
> }
>diff --git a/Source/WebCore/bindings/scripts/test/JS/JSTestNamedAndIndexedSetterWithIdentifier.h b/Source/WebCore/bindings/scripts/test/JS/JSTestNamedAndIndexedSetterWithIdentifier.h
>index 1826f92041503576a05e4ce54429e668cc68d92f..c8e0fdb56b0fc9154458ccb028e930107fd4919b 100644
>--- a/Source/WebCore/bindings/scripts/test/JS/JSTestNamedAndIndexedSetterWithIdentifier.h
>+++ b/Source/WebCore/bindings/scripts/test/JS/JSTestNamedAndIndexedSetterWithIdentifier.h
>@@ -54,7 +54,7 @@ class JSTestNamedAndIndexedSetterWithIdentifier : public JSDOMWrapper<TestNamedA
>         return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info());
>     }
> 
>-    static JSC::JSValue getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
>+    static JSC::JSObject* getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
>     static void heapSnapshot(JSCell*, JSC::HeapSnapshotBuilder&);
> public:
>     static const unsigned StructureFlags = Base::StructureFlags | JSC::GetOwnPropertySlotIsImpureForPropertyAbsence | JSC::InterceptsGetOwnPropertySlotByIndexEvenWhenLengthIsNotZero | JSC::OverridesGetOwnPropertySlot | JSC::OverridesGetPropertyNames;
>diff --git a/Source/WebCore/bindings/scripts/test/JS/JSTestNamedConstructor.cpp b/Source/WebCore/bindings/scripts/test/JS/JSTestNamedConstructor.cpp
>index 267c1205e7f746e949646090c11e8a8e0008bd8a..73556a236a7aff87b5e0f3cf5819e2d62870566c 100644
>--- a/Source/WebCore/bindings/scripts/test/JS/JSTestNamedConstructor.cpp
>+++ b/Source/WebCore/bindings/scripts/test/JS/JSTestNamedConstructor.cpp
>@@ -162,12 +162,12 @@ JSObject* JSTestNamedConstructor::prototype(VM& vm, JSDOMGlobalObject& globalObj
>     return getDOMPrototype<JSTestNamedConstructor>(vm, globalObject);
> }
> 
>-JSValue JSTestNamedConstructor::getConstructor(VM& vm, const JSGlobalObject* globalObject)
>+JSObject* JSTestNamedConstructor::getConstructor(VM& vm, const JSGlobalObject* globalObject)
> {
>     return getDOMConstructor<JSTestNamedConstructorConstructor>(vm, *jsCast<const JSDOMGlobalObject*>(globalObject));
> }
> 
>-JSValue JSTestNamedConstructor::getNamedConstructor(VM& vm, JSGlobalObject* globalObject)
>+JSObject* JSTestNamedConstructor::getNamedConstructor(VM& vm, JSGlobalObject* globalObject)
> {
>     return getDOMConstructor<JSTestNamedConstructorNamedConstructor>(vm, *jsCast<JSDOMGlobalObject*>(globalObject));
> }
>diff --git a/Source/WebCore/bindings/scripts/test/JS/JSTestNamedConstructor.h b/Source/WebCore/bindings/scripts/test/JS/JSTestNamedConstructor.h
>index 25c51bd7af3fbf8aa6434bed6c533ecdfd30b2ad..58a65afb0c2f3d44853114ae02fc5e82b1bab80a 100644
>--- a/Source/WebCore/bindings/scripts/test/JS/JSTestNamedConstructor.h
>+++ b/Source/WebCore/bindings/scripts/test/JS/JSTestNamedConstructor.h
>@@ -48,8 +48,8 @@ class JSTestNamedConstructor : public JSDOMWrapper<TestNamedConstructor> {
>         return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info());
>     }
> 
>-    static JSC::JSValue getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
>-    static JSC::JSValue getNamedConstructor(JSC::VM&, JSC::JSGlobalObject*);
>+    static JSC::JSObject* getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
>+    static JSC::JSObject* getNamedConstructor(JSC::VM&, JSC::JSGlobalObject*);
>     static void heapSnapshot(JSCell*, JSC::HeapSnapshotBuilder&);
> protected:
>     JSTestNamedConstructor(JSC::Structure*, JSDOMGlobalObject&, Ref<TestNamedConstructor>&&);
>diff --git a/Source/WebCore/bindings/scripts/test/JS/JSTestNamedDeleterNoIdentifier.cpp b/Source/WebCore/bindings/scripts/test/JS/JSTestNamedDeleterNoIdentifier.cpp
>index 5d2b6b68611b9e568134d60a193cded71de95f00..0f2b2b375835dbb271e0c2f1245af2f81825266e 100644
>--- a/Source/WebCore/bindings/scripts/test/JS/JSTestNamedDeleterNoIdentifier.cpp
>+++ b/Source/WebCore/bindings/scripts/test/JS/JSTestNamedDeleterNoIdentifier.cpp
>@@ -126,7 +126,7 @@ JSObject* JSTestNamedDeleterNoIdentifier::prototype(VM& vm, JSDOMGlobalObject& g
>     return getDOMPrototype<JSTestNamedDeleterNoIdentifier>(vm, globalObject);
> }
> 
>-JSValue JSTestNamedDeleterNoIdentifier::getConstructor(VM& vm, const JSGlobalObject* globalObject)
>+JSObject* JSTestNamedDeleterNoIdentifier::getConstructor(VM& vm, const JSGlobalObject* globalObject)
> {
>     return getDOMConstructor<JSTestNamedDeleterNoIdentifierConstructor>(vm, *jsCast<const JSDOMGlobalObject*>(globalObject));
> }
>diff --git a/Source/WebCore/bindings/scripts/test/JS/JSTestNamedDeleterNoIdentifier.h b/Source/WebCore/bindings/scripts/test/JS/JSTestNamedDeleterNoIdentifier.h
>index 61c057902ef2db352121eda3fb00ddf21663fb0a..be49adcf32f322883e5cf311248817a3d008c589 100644
>--- a/Source/WebCore/bindings/scripts/test/JS/JSTestNamedDeleterNoIdentifier.h
>+++ b/Source/WebCore/bindings/scripts/test/JS/JSTestNamedDeleterNoIdentifier.h
>@@ -53,7 +53,7 @@ class JSTestNamedDeleterNoIdentifier : public JSDOMWrapper<TestNamedDeleterNoIde
>         return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info());
>     }
> 
>-    static JSC::JSValue getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
>+    static JSC::JSObject* getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
>     static void heapSnapshot(JSCell*, JSC::HeapSnapshotBuilder&);
> public:
>     static const unsigned StructureFlags = Base::StructureFlags | JSC::GetOwnPropertySlotIsImpureForPropertyAbsence | JSC::InterceptsGetOwnPropertySlotByIndexEvenWhenLengthIsNotZero | JSC::OverridesGetOwnPropertySlot | JSC::OverridesGetPropertyNames;
>diff --git a/Source/WebCore/bindings/scripts/test/JS/JSTestNamedDeleterThrowingException.cpp b/Source/WebCore/bindings/scripts/test/JS/JSTestNamedDeleterThrowingException.cpp
>index f0b5b743f52cb9a30617ea83e3b718d6e26e3abf..4bafe64c33abe78b15531a4c9b1658392c55e1f5 100644
>--- a/Source/WebCore/bindings/scripts/test/JS/JSTestNamedDeleterThrowingException.cpp
>+++ b/Source/WebCore/bindings/scripts/test/JS/JSTestNamedDeleterThrowingException.cpp
>@@ -126,7 +126,7 @@ JSObject* JSTestNamedDeleterThrowingException::prototype(VM& vm, JSDOMGlobalObje
>     return getDOMPrototype<JSTestNamedDeleterThrowingException>(vm, globalObject);
> }
> 
>-JSValue JSTestNamedDeleterThrowingException::getConstructor(VM& vm, const JSGlobalObject* globalObject)
>+JSObject* JSTestNamedDeleterThrowingException::getConstructor(VM& vm, const JSGlobalObject* globalObject)
> {
>     return getDOMConstructor<JSTestNamedDeleterThrowingExceptionConstructor>(vm, *jsCast<const JSDOMGlobalObject*>(globalObject));
> }
>diff --git a/Source/WebCore/bindings/scripts/test/JS/JSTestNamedDeleterThrowingException.h b/Source/WebCore/bindings/scripts/test/JS/JSTestNamedDeleterThrowingException.h
>index 4a7ea5daafa066aa5377100d1ad0206d462a1198..eb24ec48837d6a11eaf5e659b21279f46e342551 100644
>--- a/Source/WebCore/bindings/scripts/test/JS/JSTestNamedDeleterThrowingException.h
>+++ b/Source/WebCore/bindings/scripts/test/JS/JSTestNamedDeleterThrowingException.h
>@@ -53,7 +53,7 @@ class JSTestNamedDeleterThrowingException : public JSDOMWrapper<TestNamedDeleter
>         return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info());
>     }
> 
>-    static JSC::JSValue getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
>+    static JSC::JSObject* getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
>     static void heapSnapshot(JSCell*, JSC::HeapSnapshotBuilder&);
> public:
>     static const unsigned StructureFlags = Base::StructureFlags | JSC::GetOwnPropertySlotIsImpureForPropertyAbsence | JSC::InterceptsGetOwnPropertySlotByIndexEvenWhenLengthIsNotZero | JSC::OverridesGetOwnPropertySlot | JSC::OverridesGetPropertyNames;
>diff --git a/Source/WebCore/bindings/scripts/test/JS/JSTestNamedDeleterWithIdentifier.cpp b/Source/WebCore/bindings/scripts/test/JS/JSTestNamedDeleterWithIdentifier.cpp
>index d3dca2a9f3889f8eeb667f4c0a6a8efb94b27c5d..5b802a9b120d22108a85215080eaefdabc718c05 100644
>--- a/Source/WebCore/bindings/scripts/test/JS/JSTestNamedDeleterWithIdentifier.cpp
>+++ b/Source/WebCore/bindings/scripts/test/JS/JSTestNamedDeleterWithIdentifier.cpp
>@@ -132,7 +132,7 @@ JSObject* JSTestNamedDeleterWithIdentifier::prototype(VM& vm, JSDOMGlobalObject&
>     return getDOMPrototype<JSTestNamedDeleterWithIdentifier>(vm, globalObject);
> }
> 
>-JSValue JSTestNamedDeleterWithIdentifier::getConstructor(VM& vm, const JSGlobalObject* globalObject)
>+JSObject* JSTestNamedDeleterWithIdentifier::getConstructor(VM& vm, const JSGlobalObject* globalObject)
> {
>     return getDOMConstructor<JSTestNamedDeleterWithIdentifierConstructor>(vm, *jsCast<const JSDOMGlobalObject*>(globalObject));
> }
>diff --git a/Source/WebCore/bindings/scripts/test/JS/JSTestNamedDeleterWithIdentifier.h b/Source/WebCore/bindings/scripts/test/JS/JSTestNamedDeleterWithIdentifier.h
>index ddd50fc302cb5d0c3611a72e92d9f8d119fbd229..b75fb6458cd62c1b6503e9409f74d861808b53a6 100644
>--- a/Source/WebCore/bindings/scripts/test/JS/JSTestNamedDeleterWithIdentifier.h
>+++ b/Source/WebCore/bindings/scripts/test/JS/JSTestNamedDeleterWithIdentifier.h
>@@ -53,7 +53,7 @@ class JSTestNamedDeleterWithIdentifier : public JSDOMWrapper<TestNamedDeleterWit
>         return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info());
>     }
> 
>-    static JSC::JSValue getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
>+    static JSC::JSObject* getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
>     static void heapSnapshot(JSCell*, JSC::HeapSnapshotBuilder&);
> public:
>     static const unsigned StructureFlags = Base::StructureFlags | JSC::GetOwnPropertySlotIsImpureForPropertyAbsence | JSC::InterceptsGetOwnPropertySlotByIndexEvenWhenLengthIsNotZero | JSC::OverridesGetOwnPropertySlot | JSC::OverridesGetPropertyNames;
>diff --git a/Source/WebCore/bindings/scripts/test/JS/JSTestNamedDeleterWithIndexedGetter.cpp b/Source/WebCore/bindings/scripts/test/JS/JSTestNamedDeleterWithIndexedGetter.cpp
>index d2c14cf2e359fb442223ed4e48f95fff18406490..f1dbf2fbe37813240ad0f31b7ffa92de7c489cf4 100644
>--- a/Source/WebCore/bindings/scripts/test/JS/JSTestNamedDeleterWithIndexedGetter.cpp
>+++ b/Source/WebCore/bindings/scripts/test/JS/JSTestNamedDeleterWithIndexedGetter.cpp
>@@ -127,7 +127,7 @@ JSObject* JSTestNamedDeleterWithIndexedGetter::prototype(VM& vm, JSDOMGlobalObje
>     return getDOMPrototype<JSTestNamedDeleterWithIndexedGetter>(vm, globalObject);
> }
> 
>-JSValue JSTestNamedDeleterWithIndexedGetter::getConstructor(VM& vm, const JSGlobalObject* globalObject)
>+JSObject* JSTestNamedDeleterWithIndexedGetter::getConstructor(VM& vm, const JSGlobalObject* globalObject)
> {
>     return getDOMConstructor<JSTestNamedDeleterWithIndexedGetterConstructor>(vm, *jsCast<const JSDOMGlobalObject*>(globalObject));
> }
>diff --git a/Source/WebCore/bindings/scripts/test/JS/JSTestNamedDeleterWithIndexedGetter.h b/Source/WebCore/bindings/scripts/test/JS/JSTestNamedDeleterWithIndexedGetter.h
>index bf8df78a7611254679edfb0a364982b0212267a5..4a84c97f82d031194a9e5936d531939d390786cf 100644
>--- a/Source/WebCore/bindings/scripts/test/JS/JSTestNamedDeleterWithIndexedGetter.h
>+++ b/Source/WebCore/bindings/scripts/test/JS/JSTestNamedDeleterWithIndexedGetter.h
>@@ -53,7 +53,7 @@ class JSTestNamedDeleterWithIndexedGetter : public JSDOMWrapper<TestNamedDeleter
>         return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info());
>     }
> 
>-    static JSC::JSValue getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
>+    static JSC::JSObject* getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
>     static void heapSnapshot(JSCell*, JSC::HeapSnapshotBuilder&);
> public:
>     static const unsigned StructureFlags = Base::StructureFlags | JSC::GetOwnPropertySlotIsImpureForPropertyAbsence | JSC::InterceptsGetOwnPropertySlotByIndexEvenWhenLengthIsNotZero | JSC::OverridesGetOwnPropertySlot | JSC::OverridesGetPropertyNames;
>diff --git a/Source/WebCore/bindings/scripts/test/JS/JSTestNamedGetterCallWith.cpp b/Source/WebCore/bindings/scripts/test/JS/JSTestNamedGetterCallWith.cpp
>index d3fa0722f1d64b5ceac1b112a5d85c986a26df6e..13fc7065e67cc0c759ad9fd904d7d0b1519249de 100644
>--- a/Source/WebCore/bindings/scripts/test/JS/JSTestNamedGetterCallWith.cpp
>+++ b/Source/WebCore/bindings/scripts/test/JS/JSTestNamedGetterCallWith.cpp
>@@ -126,7 +126,7 @@ JSObject* JSTestNamedGetterCallWith::prototype(VM& vm, JSDOMGlobalObject& global
>     return getDOMPrototype<JSTestNamedGetterCallWith>(vm, globalObject);
> }
> 
>-JSValue JSTestNamedGetterCallWith::getConstructor(VM& vm, const JSGlobalObject* globalObject)
>+JSObject* JSTestNamedGetterCallWith::getConstructor(VM& vm, const JSGlobalObject* globalObject)
> {
>     return getDOMConstructor<JSTestNamedGetterCallWithConstructor>(vm, *jsCast<const JSDOMGlobalObject*>(globalObject));
> }
>diff --git a/Source/WebCore/bindings/scripts/test/JS/JSTestNamedGetterCallWith.h b/Source/WebCore/bindings/scripts/test/JS/JSTestNamedGetterCallWith.h
>index 71d0c7b10ff8b3736431be43e4156eb750eb83ac..9e2bc235d822137eff8b6d7aaacb5a34c1ca6846 100644
>--- a/Source/WebCore/bindings/scripts/test/JS/JSTestNamedGetterCallWith.h
>+++ b/Source/WebCore/bindings/scripts/test/JS/JSTestNamedGetterCallWith.h
>@@ -51,7 +51,7 @@ class JSTestNamedGetterCallWith : public JSDOMWrapper<TestNamedGetterCallWith> {
>         return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info());
>     }
> 
>-    static JSC::JSValue getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
>+    static JSC::JSObject* getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
>     static void heapSnapshot(JSCell*, JSC::HeapSnapshotBuilder&);
> public:
>     static const unsigned StructureFlags = Base::StructureFlags | JSC::GetOwnPropertySlotIsImpureForPropertyAbsence | JSC::InterceptsGetOwnPropertySlotByIndexEvenWhenLengthIsNotZero | JSC::OverridesGetOwnPropertySlot | JSC::OverridesGetPropertyNames;
>diff --git a/Source/WebCore/bindings/scripts/test/JS/JSTestNamedGetterNoIdentifier.cpp b/Source/WebCore/bindings/scripts/test/JS/JSTestNamedGetterNoIdentifier.cpp
>index e592a7fdf72c6eac6f733ac414e46a2391bd76bb..5088363e55b587aacad5bb015f111f59c35beb4e 100644
>--- a/Source/WebCore/bindings/scripts/test/JS/JSTestNamedGetterNoIdentifier.cpp
>+++ b/Source/WebCore/bindings/scripts/test/JS/JSTestNamedGetterNoIdentifier.cpp
>@@ -126,7 +126,7 @@ JSObject* JSTestNamedGetterNoIdentifier::prototype(VM& vm, JSDOMGlobalObject& gl
>     return getDOMPrototype<JSTestNamedGetterNoIdentifier>(vm, globalObject);
> }
> 
>-JSValue JSTestNamedGetterNoIdentifier::getConstructor(VM& vm, const JSGlobalObject* globalObject)
>+JSObject* JSTestNamedGetterNoIdentifier::getConstructor(VM& vm, const JSGlobalObject* globalObject)
> {
>     return getDOMConstructor<JSTestNamedGetterNoIdentifierConstructor>(vm, *jsCast<const JSDOMGlobalObject*>(globalObject));
> }
>diff --git a/Source/WebCore/bindings/scripts/test/JS/JSTestNamedGetterNoIdentifier.h b/Source/WebCore/bindings/scripts/test/JS/JSTestNamedGetterNoIdentifier.h
>index 40ce448974883493c1e50e702de8b87acf20de6e..c1bd57e122dee2a79613d1846b7c98a77a9afe52 100644
>--- a/Source/WebCore/bindings/scripts/test/JS/JSTestNamedGetterNoIdentifier.h
>+++ b/Source/WebCore/bindings/scripts/test/JS/JSTestNamedGetterNoIdentifier.h
>@@ -51,7 +51,7 @@ class JSTestNamedGetterNoIdentifier : public JSDOMWrapper<TestNamedGetterNoIdent
>         return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info());
>     }
> 
>-    static JSC::JSValue getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
>+    static JSC::JSObject* getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
>     static void heapSnapshot(JSCell*, JSC::HeapSnapshotBuilder&);
> public:
>     static const unsigned StructureFlags = Base::StructureFlags | JSC::GetOwnPropertySlotIsImpureForPropertyAbsence | JSC::InterceptsGetOwnPropertySlotByIndexEvenWhenLengthIsNotZero | JSC::OverridesGetOwnPropertySlot | JSC::OverridesGetPropertyNames;
>diff --git a/Source/WebCore/bindings/scripts/test/JS/JSTestNamedGetterWithIdentifier.cpp b/Source/WebCore/bindings/scripts/test/JS/JSTestNamedGetterWithIdentifier.cpp
>index ed6ed8b6bcbcdbc99b797682a362e2c5d1d1f37f..eafa2fec78f462f2097a6bc73c50b5f8a0ffe58c 100644
>--- a/Source/WebCore/bindings/scripts/test/JS/JSTestNamedGetterWithIdentifier.cpp
>+++ b/Source/WebCore/bindings/scripts/test/JS/JSTestNamedGetterWithIdentifier.cpp
>@@ -132,7 +132,7 @@ JSObject* JSTestNamedGetterWithIdentifier::prototype(VM& vm, JSDOMGlobalObject&
>     return getDOMPrototype<JSTestNamedGetterWithIdentifier>(vm, globalObject);
> }
> 
>-JSValue JSTestNamedGetterWithIdentifier::getConstructor(VM& vm, const JSGlobalObject* globalObject)
>+JSObject* JSTestNamedGetterWithIdentifier::getConstructor(VM& vm, const JSGlobalObject* globalObject)
> {
>     return getDOMConstructor<JSTestNamedGetterWithIdentifierConstructor>(vm, *jsCast<const JSDOMGlobalObject*>(globalObject));
> }
>diff --git a/Source/WebCore/bindings/scripts/test/JS/JSTestNamedGetterWithIdentifier.h b/Source/WebCore/bindings/scripts/test/JS/JSTestNamedGetterWithIdentifier.h
>index 3e23e37d95436b65239fa04e394ffac15b8a7c4c..455a303c4da34995b1a28eb69329548d5784a3a6 100644
>--- a/Source/WebCore/bindings/scripts/test/JS/JSTestNamedGetterWithIdentifier.h
>+++ b/Source/WebCore/bindings/scripts/test/JS/JSTestNamedGetterWithIdentifier.h
>@@ -51,7 +51,7 @@ class JSTestNamedGetterWithIdentifier : public JSDOMWrapper<TestNamedGetterWithI
>         return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info());
>     }
> 
>-    static JSC::JSValue getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
>+    static JSC::JSObject* getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
>     static void heapSnapshot(JSCell*, JSC::HeapSnapshotBuilder&);
> public:
>     static const unsigned StructureFlags = Base::StructureFlags | JSC::GetOwnPropertySlotIsImpureForPropertyAbsence | JSC::InterceptsGetOwnPropertySlotByIndexEvenWhenLengthIsNotZero | JSC::OverridesGetOwnPropertySlot | JSC::OverridesGetPropertyNames;
>diff --git a/Source/WebCore/bindings/scripts/test/JS/JSTestNamedSetterNoIdentifier.cpp b/Source/WebCore/bindings/scripts/test/JS/JSTestNamedSetterNoIdentifier.cpp
>index 32edb0acf71d1e12a333edc836354b9128c34713..d91a0e77a6aadd5fd9191b38b3f567ee188aacae 100644
>--- a/Source/WebCore/bindings/scripts/test/JS/JSTestNamedSetterNoIdentifier.cpp
>+++ b/Source/WebCore/bindings/scripts/test/JS/JSTestNamedSetterNoIdentifier.cpp
>@@ -126,7 +126,7 @@ JSObject* JSTestNamedSetterNoIdentifier::prototype(VM& vm, JSDOMGlobalObject& gl
>     return getDOMPrototype<JSTestNamedSetterNoIdentifier>(vm, globalObject);
> }
> 
>-JSValue JSTestNamedSetterNoIdentifier::getConstructor(VM& vm, const JSGlobalObject* globalObject)
>+JSObject* JSTestNamedSetterNoIdentifier::getConstructor(VM& vm, const JSGlobalObject* globalObject)
> {
>     return getDOMConstructor<JSTestNamedSetterNoIdentifierConstructor>(vm, *jsCast<const JSDOMGlobalObject*>(globalObject));
> }
>diff --git a/Source/WebCore/bindings/scripts/test/JS/JSTestNamedSetterNoIdentifier.h b/Source/WebCore/bindings/scripts/test/JS/JSTestNamedSetterNoIdentifier.h
>index a195e070e76bafc1ce3017b953493d3899dc04cc..36b883fd7a3267e5c27e6bc4bed7f45a289f0c79 100644
>--- a/Source/WebCore/bindings/scripts/test/JS/JSTestNamedSetterNoIdentifier.h
>+++ b/Source/WebCore/bindings/scripts/test/JS/JSTestNamedSetterNoIdentifier.h
>@@ -54,7 +54,7 @@ class JSTestNamedSetterNoIdentifier : public JSDOMWrapper<TestNamedSetterNoIdent
>         return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info());
>     }
> 
>-    static JSC::JSValue getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
>+    static JSC::JSObject* getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
>     static void heapSnapshot(JSCell*, JSC::HeapSnapshotBuilder&);
> public:
>     static const unsigned StructureFlags = Base::StructureFlags | JSC::GetOwnPropertySlotIsImpureForPropertyAbsence | JSC::InterceptsGetOwnPropertySlotByIndexEvenWhenLengthIsNotZero | JSC::OverridesGetOwnPropertySlot | JSC::OverridesGetPropertyNames;
>diff --git a/Source/WebCore/bindings/scripts/test/JS/JSTestNamedSetterThrowingException.cpp b/Source/WebCore/bindings/scripts/test/JS/JSTestNamedSetterThrowingException.cpp
>index 2779be839fdb844057b3f44f346008a820b0bf63..bdbd6b2a94814d5d555cc49c5671fc6733c699c6 100644
>--- a/Source/WebCore/bindings/scripts/test/JS/JSTestNamedSetterThrowingException.cpp
>+++ b/Source/WebCore/bindings/scripts/test/JS/JSTestNamedSetterThrowingException.cpp
>@@ -126,7 +126,7 @@ JSObject* JSTestNamedSetterThrowingException::prototype(VM& vm, JSDOMGlobalObjec
>     return getDOMPrototype<JSTestNamedSetterThrowingException>(vm, globalObject);
> }
> 
>-JSValue JSTestNamedSetterThrowingException::getConstructor(VM& vm, const JSGlobalObject* globalObject)
>+JSObject* JSTestNamedSetterThrowingException::getConstructor(VM& vm, const JSGlobalObject* globalObject)
> {
>     return getDOMConstructor<JSTestNamedSetterThrowingExceptionConstructor>(vm, *jsCast<const JSDOMGlobalObject*>(globalObject));
> }
>diff --git a/Source/WebCore/bindings/scripts/test/JS/JSTestNamedSetterThrowingException.h b/Source/WebCore/bindings/scripts/test/JS/JSTestNamedSetterThrowingException.h
>index da062b87e7156d63a04ddc9f8e131290d39b6b2d..c4f58e807fc85f383673144bbc47235ec0915dc1 100644
>--- a/Source/WebCore/bindings/scripts/test/JS/JSTestNamedSetterThrowingException.h
>+++ b/Source/WebCore/bindings/scripts/test/JS/JSTestNamedSetterThrowingException.h
>@@ -54,7 +54,7 @@ class JSTestNamedSetterThrowingException : public JSDOMWrapper<TestNamedSetterTh
>         return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info());
>     }
> 
>-    static JSC::JSValue getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
>+    static JSC::JSObject* getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
>     static void heapSnapshot(JSCell*, JSC::HeapSnapshotBuilder&);
> public:
>     static const unsigned StructureFlags = Base::StructureFlags | JSC::GetOwnPropertySlotIsImpureForPropertyAbsence | JSC::InterceptsGetOwnPropertySlotByIndexEvenWhenLengthIsNotZero | JSC::OverridesGetOwnPropertySlot | JSC::OverridesGetPropertyNames;
>diff --git a/Source/WebCore/bindings/scripts/test/JS/JSTestNamedSetterWithIdentifier.cpp b/Source/WebCore/bindings/scripts/test/JS/JSTestNamedSetterWithIdentifier.cpp
>index 2bfd7d0c02c57ec3d2b0aa9cc9430f515cb9bcdd..4923e6367f5dc79b4fb1393d8a2f0e395cd525dd 100644
>--- a/Source/WebCore/bindings/scripts/test/JS/JSTestNamedSetterWithIdentifier.cpp
>+++ b/Source/WebCore/bindings/scripts/test/JS/JSTestNamedSetterWithIdentifier.cpp
>@@ -132,7 +132,7 @@ JSObject* JSTestNamedSetterWithIdentifier::prototype(VM& vm, JSDOMGlobalObject&
>     return getDOMPrototype<JSTestNamedSetterWithIdentifier>(vm, globalObject);
> }
> 
>-JSValue JSTestNamedSetterWithIdentifier::getConstructor(VM& vm, const JSGlobalObject* globalObject)
>+JSObject* JSTestNamedSetterWithIdentifier::getConstructor(VM& vm, const JSGlobalObject* globalObject)
> {
>     return getDOMConstructor<JSTestNamedSetterWithIdentifierConstructor>(vm, *jsCast<const JSDOMGlobalObject*>(globalObject));
> }
>diff --git a/Source/WebCore/bindings/scripts/test/JS/JSTestNamedSetterWithIdentifier.h b/Source/WebCore/bindings/scripts/test/JS/JSTestNamedSetterWithIdentifier.h
>index c9fd5daccbea47286d02fd6074fab3f343322225..66f46c330ef3b972a05ec7cc98a4e0463762a759 100644
>--- a/Source/WebCore/bindings/scripts/test/JS/JSTestNamedSetterWithIdentifier.h
>+++ b/Source/WebCore/bindings/scripts/test/JS/JSTestNamedSetterWithIdentifier.h
>@@ -54,7 +54,7 @@ class JSTestNamedSetterWithIdentifier : public JSDOMWrapper<TestNamedSetterWithI
>         return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info());
>     }
> 
>-    static JSC::JSValue getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
>+    static JSC::JSObject* getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
>     static void heapSnapshot(JSCell*, JSC::HeapSnapshotBuilder&);
> public:
>     static const unsigned StructureFlags = Base::StructureFlags | JSC::GetOwnPropertySlotIsImpureForPropertyAbsence | JSC::InterceptsGetOwnPropertySlotByIndexEvenWhenLengthIsNotZero | JSC::OverridesGetOwnPropertySlot | JSC::OverridesGetPropertyNames;
>diff --git a/Source/WebCore/bindings/scripts/test/JS/JSTestNamedSetterWithIndexedGetter.cpp b/Source/WebCore/bindings/scripts/test/JS/JSTestNamedSetterWithIndexedGetter.cpp
>index 5a276805fc79761d7a01437a2f9311223267d53f..0851aafc4953fd9ebb81d5509f97e44d0fedbd45 100644
>--- a/Source/WebCore/bindings/scripts/test/JS/JSTestNamedSetterWithIndexedGetter.cpp
>+++ b/Source/WebCore/bindings/scripts/test/JS/JSTestNamedSetterWithIndexedGetter.cpp
>@@ -136,7 +136,7 @@ JSObject* JSTestNamedSetterWithIndexedGetter::prototype(VM& vm, JSDOMGlobalObjec
>     return getDOMPrototype<JSTestNamedSetterWithIndexedGetter>(vm, globalObject);
> }
> 
>-JSValue JSTestNamedSetterWithIndexedGetter::getConstructor(VM& vm, const JSGlobalObject* globalObject)
>+JSObject* JSTestNamedSetterWithIndexedGetter::getConstructor(VM& vm, const JSGlobalObject* globalObject)
> {
>     return getDOMConstructor<JSTestNamedSetterWithIndexedGetterConstructor>(vm, *jsCast<const JSDOMGlobalObject*>(globalObject));
> }
>diff --git a/Source/WebCore/bindings/scripts/test/JS/JSTestNamedSetterWithIndexedGetter.h b/Source/WebCore/bindings/scripts/test/JS/JSTestNamedSetterWithIndexedGetter.h
>index 27378e1014ca3ef595e6d52e1d01e6cce4cee929..09ea3396ad632b1098a3ed7b24656d6ca89db7a1 100644
>--- a/Source/WebCore/bindings/scripts/test/JS/JSTestNamedSetterWithIndexedGetter.h
>+++ b/Source/WebCore/bindings/scripts/test/JS/JSTestNamedSetterWithIndexedGetter.h
>@@ -54,7 +54,7 @@ class JSTestNamedSetterWithIndexedGetter : public JSDOMWrapper<TestNamedSetterWi
>         return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info());
>     }
> 
>-    static JSC::JSValue getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
>+    static JSC::JSObject* getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
>     static void heapSnapshot(JSCell*, JSC::HeapSnapshotBuilder&);
> public:
>     static const unsigned StructureFlags = Base::StructureFlags | JSC::GetOwnPropertySlotIsImpureForPropertyAbsence | JSC::InterceptsGetOwnPropertySlotByIndexEvenWhenLengthIsNotZero | JSC::OverridesGetOwnPropertySlot | JSC::OverridesGetPropertyNames;
>diff --git a/Source/WebCore/bindings/scripts/test/JS/JSTestNamedSetterWithIndexedGetterAndSetter.cpp b/Source/WebCore/bindings/scripts/test/JS/JSTestNamedSetterWithIndexedGetterAndSetter.cpp
>index 8027fc1d871daa21181bb5c708d328a28dbe1c9e..4192df9aa429c1e9d317430a183ffa59d83912bb 100644
>--- a/Source/WebCore/bindings/scripts/test/JS/JSTestNamedSetterWithIndexedGetterAndSetter.cpp
>+++ b/Source/WebCore/bindings/scripts/test/JS/JSTestNamedSetterWithIndexedGetterAndSetter.cpp
>@@ -136,7 +136,7 @@ JSObject* JSTestNamedSetterWithIndexedGetterAndSetter::prototype(VM& vm, JSDOMGl
>     return getDOMPrototype<JSTestNamedSetterWithIndexedGetterAndSetter>(vm, globalObject);
> }
> 
>-JSValue JSTestNamedSetterWithIndexedGetterAndSetter::getConstructor(VM& vm, const JSGlobalObject* globalObject)
>+JSObject* JSTestNamedSetterWithIndexedGetterAndSetter::getConstructor(VM& vm, const JSGlobalObject* globalObject)
> {
>     return getDOMConstructor<JSTestNamedSetterWithIndexedGetterAndSetterConstructor>(vm, *jsCast<const JSDOMGlobalObject*>(globalObject));
> }
>diff --git a/Source/WebCore/bindings/scripts/test/JS/JSTestNamedSetterWithIndexedGetterAndSetter.h b/Source/WebCore/bindings/scripts/test/JS/JSTestNamedSetterWithIndexedGetterAndSetter.h
>index 15a76bf5be780ef1b5a888c0acda68e609c0dafe..97cde164714e9fc4480f47fceed9eb1317783518 100644
>--- a/Source/WebCore/bindings/scripts/test/JS/JSTestNamedSetterWithIndexedGetterAndSetter.h
>+++ b/Source/WebCore/bindings/scripts/test/JS/JSTestNamedSetterWithIndexedGetterAndSetter.h
>@@ -54,7 +54,7 @@ class JSTestNamedSetterWithIndexedGetterAndSetter : public JSDOMWrapper<TestName
>         return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info());
>     }
> 
>-    static JSC::JSValue getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
>+    static JSC::JSObject* getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
>     static void heapSnapshot(JSCell*, JSC::HeapSnapshotBuilder&);
> public:
>     static const unsigned StructureFlags = Base::StructureFlags | JSC::GetOwnPropertySlotIsImpureForPropertyAbsence | JSC::InterceptsGetOwnPropertySlotByIndexEvenWhenLengthIsNotZero | JSC::OverridesGetOwnPropertySlot | JSC::OverridesGetPropertyNames;
>diff --git a/Source/WebCore/bindings/scripts/test/JS/JSTestNamedSetterWithOverrideBuiltins.cpp b/Source/WebCore/bindings/scripts/test/JS/JSTestNamedSetterWithOverrideBuiltins.cpp
>index 60357222ef4628859600fdc072f184bac9d294ab..5ac945c8cabe2b389473252f9a4d2842ff2efc40 100644
>--- a/Source/WebCore/bindings/scripts/test/JS/JSTestNamedSetterWithOverrideBuiltins.cpp
>+++ b/Source/WebCore/bindings/scripts/test/JS/JSTestNamedSetterWithOverrideBuiltins.cpp
>@@ -126,7 +126,7 @@ JSObject* JSTestNamedSetterWithOverrideBuiltins::prototype(VM& vm, JSDOMGlobalOb
>     return getDOMPrototype<JSTestNamedSetterWithOverrideBuiltins>(vm, globalObject);
> }
> 
>-JSValue JSTestNamedSetterWithOverrideBuiltins::getConstructor(VM& vm, const JSGlobalObject* globalObject)
>+JSObject* JSTestNamedSetterWithOverrideBuiltins::getConstructor(VM& vm, const JSGlobalObject* globalObject)
> {
>     return getDOMConstructor<JSTestNamedSetterWithOverrideBuiltinsConstructor>(vm, *jsCast<const JSDOMGlobalObject*>(globalObject));
> }
>diff --git a/Source/WebCore/bindings/scripts/test/JS/JSTestNamedSetterWithOverrideBuiltins.h b/Source/WebCore/bindings/scripts/test/JS/JSTestNamedSetterWithOverrideBuiltins.h
>index 9fa957297ae18648d0e265f9ecff48a3cab490f8..b16fe2f5c778c832a4ac2243fcf26f8a5228b17f 100644
>--- a/Source/WebCore/bindings/scripts/test/JS/JSTestNamedSetterWithOverrideBuiltins.h
>+++ b/Source/WebCore/bindings/scripts/test/JS/JSTestNamedSetterWithOverrideBuiltins.h
>@@ -54,7 +54,7 @@ class JSTestNamedSetterWithOverrideBuiltins : public JSDOMWrapper<TestNamedSette
>         return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info());
>     }
> 
>-    static JSC::JSValue getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
>+    static JSC::JSObject* getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
>     static void heapSnapshot(JSCell*, JSC::HeapSnapshotBuilder&);
> public:
>     static const unsigned StructureFlags = Base::StructureFlags | JSC::GetOwnPropertySlotIsImpure | JSC::InterceptsGetOwnPropertySlotByIndexEvenWhenLengthIsNotZero | JSC::OverridesGetOwnPropertySlot | JSC::OverridesGetPropertyNames;
>diff --git a/Source/WebCore/bindings/scripts/test/JS/JSTestNamedSetterWithUnforgableProperties.cpp b/Source/WebCore/bindings/scripts/test/JS/JSTestNamedSetterWithUnforgableProperties.cpp
>index 2b236e8c749214b3ebda440d76d9acbcf278f44e..e92b8d4caeef68d56a6d3798b5262bd0c57a7ea3 100644
>--- a/Source/WebCore/bindings/scripts/test/JS/JSTestNamedSetterWithUnforgableProperties.cpp
>+++ b/Source/WebCore/bindings/scripts/test/JS/JSTestNamedSetterWithUnforgableProperties.cpp
>@@ -150,7 +150,7 @@ JSObject* JSTestNamedSetterWithUnforgableProperties::prototype(VM& vm, JSDOMGlob
>     return getDOMPrototype<JSTestNamedSetterWithUnforgableProperties>(vm, globalObject);
> }
> 
>-JSValue JSTestNamedSetterWithUnforgableProperties::getConstructor(VM& vm, const JSGlobalObject* globalObject)
>+JSObject* JSTestNamedSetterWithUnforgableProperties::getConstructor(VM& vm, const JSGlobalObject* globalObject)
> {
>     return getDOMConstructor<JSTestNamedSetterWithUnforgablePropertiesConstructor>(vm, *jsCast<const JSDOMGlobalObject*>(globalObject));
> }
>diff --git a/Source/WebCore/bindings/scripts/test/JS/JSTestNamedSetterWithUnforgableProperties.h b/Source/WebCore/bindings/scripts/test/JS/JSTestNamedSetterWithUnforgableProperties.h
>index f3677d9ba6a7bf21739075021eb345fa90a5e636..193d4dfed6f67cef65f9cbea5350f8276a75e505 100644
>--- a/Source/WebCore/bindings/scripts/test/JS/JSTestNamedSetterWithUnforgableProperties.h
>+++ b/Source/WebCore/bindings/scripts/test/JS/JSTestNamedSetterWithUnforgableProperties.h
>@@ -54,7 +54,7 @@ class JSTestNamedSetterWithUnforgableProperties : public JSDOMWrapper<TestNamedS
>         return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info());
>     }
> 
>-    static JSC::JSValue getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
>+    static JSC::JSObject* getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
>     static void heapSnapshot(JSCell*, JSC::HeapSnapshotBuilder&);
> public:
>     static const unsigned StructureFlags = Base::StructureFlags | JSC::GetOwnPropertySlotIsImpureForPropertyAbsence | JSC::HasStaticPropertyTable | JSC::InterceptsGetOwnPropertySlotByIndexEvenWhenLengthIsNotZero | JSC::OverridesGetOwnPropertySlot | JSC::OverridesGetPropertyNames;
>diff --git a/Source/WebCore/bindings/scripts/test/JS/JSTestNamedSetterWithUnforgablePropertiesAndOverrideBuiltins.cpp b/Source/WebCore/bindings/scripts/test/JS/JSTestNamedSetterWithUnforgablePropertiesAndOverrideBuiltins.cpp
>index a490305a615dd72ce2f68259fd705932a01b514b..f354ca1e6a28ba09e4e703320044d7b4a8472fbe 100644
>--- a/Source/WebCore/bindings/scripts/test/JS/JSTestNamedSetterWithUnforgablePropertiesAndOverrideBuiltins.cpp
>+++ b/Source/WebCore/bindings/scripts/test/JS/JSTestNamedSetterWithUnforgablePropertiesAndOverrideBuiltins.cpp
>@@ -150,7 +150,7 @@ JSObject* JSTestNamedSetterWithUnforgablePropertiesAndOverrideBuiltins::prototyp
>     return getDOMPrototype<JSTestNamedSetterWithUnforgablePropertiesAndOverrideBuiltins>(vm, globalObject);
> }
> 
>-JSValue JSTestNamedSetterWithUnforgablePropertiesAndOverrideBuiltins::getConstructor(VM& vm, const JSGlobalObject* globalObject)
>+JSObject* JSTestNamedSetterWithUnforgablePropertiesAndOverrideBuiltins::getConstructor(VM& vm, const JSGlobalObject* globalObject)
> {
>     return getDOMConstructor<JSTestNamedSetterWithUnforgablePropertiesAndOverrideBuiltinsConstructor>(vm, *jsCast<const JSDOMGlobalObject*>(globalObject));
> }
>diff --git a/Source/WebCore/bindings/scripts/test/JS/JSTestNamedSetterWithUnforgablePropertiesAndOverrideBuiltins.h b/Source/WebCore/bindings/scripts/test/JS/JSTestNamedSetterWithUnforgablePropertiesAndOverrideBuiltins.h
>index a91843a3fb9acc3ddf90f995dab7a72fcf3764cc..baf1fc45998b6a7de9c7cd76963de682af777b34 100644
>--- a/Source/WebCore/bindings/scripts/test/JS/JSTestNamedSetterWithUnforgablePropertiesAndOverrideBuiltins.h
>+++ b/Source/WebCore/bindings/scripts/test/JS/JSTestNamedSetterWithUnforgablePropertiesAndOverrideBuiltins.h
>@@ -54,7 +54,7 @@ class JSTestNamedSetterWithUnforgablePropertiesAndOverrideBuiltins : public JSDO
>         return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info());
>     }
> 
>-    static JSC::JSValue getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
>+    static JSC::JSObject* getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
>     static void heapSnapshot(JSCell*, JSC::HeapSnapshotBuilder&);
> public:
>     static const unsigned StructureFlags = Base::StructureFlags | JSC::GetOwnPropertySlotIsImpure | JSC::HasStaticPropertyTable | JSC::InterceptsGetOwnPropertySlotByIndexEvenWhenLengthIsNotZero | JSC::OverridesGetOwnPropertySlot | JSC::OverridesGetPropertyNames;
>diff --git a/Source/WebCore/bindings/scripts/test/JS/JSTestNode.cpp b/Source/WebCore/bindings/scripts/test/JS/JSTestNode.cpp
>index 31180d2e7a5f5aa77a029fe37a9e45a1a6612853..c72a936ea8d89ac50b7e58b94b86a5d0a2fb14f8 100644
>--- a/Source/WebCore/bindings/scripts/test/JS/JSTestNode.cpp
>+++ b/Source/WebCore/bindings/scripts/test/JS/JSTestNode.cpp
>@@ -110,7 +110,7 @@ template<> EncodedJSValue JSC_HOST_CALL JSTestNodeConstructor::construct(ExecSta
> template<> JSValue JSTestNodeConstructor::prototypeForStructure(JSC::VM& vm, const JSDOMGlobalObject& globalObject)
> {
>     auto result = JSNode::getConstructor(vm, &globalObject);
>-    result.getObject()->didBecomePrototype();
>+    result->didBecomePrototype();
>     return result;
> }
> 
>@@ -224,7 +224,7 @@ JSObject* JSTestNode::prototype(VM& vm, JSDOMGlobalObject& globalObject)
>     return getDOMPrototype<JSTestNode>(vm, globalObject);
> }
> 
>-JSValue JSTestNode::getConstructor(VM& vm, const JSGlobalObject* globalObject)
>+JSObject* JSTestNode::getConstructor(VM& vm, const JSGlobalObject* globalObject)
> {
>     return getDOMConstructor<JSTestNodeConstructor>(vm, *jsCast<const JSDOMGlobalObject*>(globalObject));
> }
>diff --git a/Source/WebCore/bindings/scripts/test/JS/JSTestNode.h b/Source/WebCore/bindings/scripts/test/JS/JSTestNode.h
>index e7c25d554ca284fcc251736aeb4d4736a4a474b5..b038732009c9d5417be4f9cdcd7b95ae3ffc3776 100644
>--- a/Source/WebCore/bindings/scripts/test/JS/JSTestNode.h
>+++ b/Source/WebCore/bindings/scripts/test/JS/JSTestNode.h
>@@ -47,7 +47,7 @@ class WEBCORE_TESTSUPPORT_EXPORT JSTestNode : public JSNode {
>         return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::JSType(JSNodeType), StructureFlags), info());
>     }
> 
>-    static JSC::JSValue getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
>+    static JSC::JSObject* getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
>     static JSC::JSObject* serialize(JSC::ExecState&, JSTestNode& thisObject, JSDOMGlobalObject&, JSC::ThrowScope&);
>     static void heapSnapshot(JSCell*, JSC::HeapSnapshotBuilder&);
>     TestNode& wrapped() const
>diff --git a/Source/WebCore/bindings/scripts/test/JS/JSTestObj.cpp b/Source/WebCore/bindings/scripts/test/JS/JSTestObj.cpp
>index 8409518fcf00a1ff698a731de80f89acbebc2306..fa9207f5b9c923a997fafdb793a885b8b7eaf22e 100644
>--- a/Source/WebCore/bindings/scripts/test/JS/JSTestObj.cpp
>+++ b/Source/WebCore/bindings/scripts/test/JS/JSTestObj.cpp
>@@ -2452,7 +2452,7 @@ JSObject* JSTestObj::prototype(VM& vm, JSDOMGlobalObject& globalObject)
>     return getDOMPrototype<JSTestObj>(vm, globalObject);
> }
> 
>-JSValue JSTestObj::getConstructor(VM& vm, const JSGlobalObject* globalObject)
>+JSObject* JSTestObj::getConstructor(VM& vm, const JSGlobalObject* globalObject)
> {
>     return getDOMConstructor<JSTestObjConstructor>(vm, *jsCast<const JSDOMGlobalObject*>(globalObject));
> }
>diff --git a/Source/WebCore/bindings/scripts/test/JS/JSTestObj.h b/Source/WebCore/bindings/scripts/test/JS/JSTestObj.h
>index 4c72221917ff03859d7fe4c7a49046164bebe645..93c41b632e1f40457b7969860225b4aee0309ac8 100644
>--- a/Source/WebCore/bindings/scripts/test/JS/JSTestObj.h
>+++ b/Source/WebCore/bindings/scripts/test/JS/JSTestObj.h
>@@ -56,7 +56,7 @@ class JSTestObj : public JSDOMWrapper<TestObj> {
>         return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info());
>     }
> 
>-    static JSC::JSValue getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
>+    static JSC::JSObject* getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
>     static JSC::JSObject* serialize(JSC::ExecState&, JSTestObj& thisObject, JSDOMGlobalObject&, JSC::ThrowScope&);
>     mutable JSC::WriteBarrier<JSC::Unknown> m_cachedAttribute1;
>     mutable JSC::WriteBarrier<JSC::Unknown> m_cachedAttribute2;
>diff --git a/Source/WebCore/bindings/scripts/test/JS/JSTestOverloadedConstructors.cpp b/Source/WebCore/bindings/scripts/test/JS/JSTestOverloadedConstructors.cpp
>index 8446c0723197b6e3f616e87de2b648f87032f567..0207025430af6350fa91ee1cf30f3e2e53071491 100644
>--- a/Source/WebCore/bindings/scripts/test/JS/JSTestOverloadedConstructors.cpp
>+++ b/Source/WebCore/bindings/scripts/test/JS/JSTestOverloadedConstructors.cpp
>@@ -219,7 +219,7 @@ JSObject* JSTestOverloadedConstructors::prototype(VM& vm, JSDOMGlobalObject& glo
>     return getDOMPrototype<JSTestOverloadedConstructors>(vm, globalObject);
> }
> 
>-JSValue JSTestOverloadedConstructors::getConstructor(VM& vm, const JSGlobalObject* globalObject)
>+JSObject* JSTestOverloadedConstructors::getConstructor(VM& vm, const JSGlobalObject* globalObject)
> {
>     return getDOMConstructor<JSTestOverloadedConstructorsConstructor>(vm, *jsCast<const JSDOMGlobalObject*>(globalObject));
> }
>diff --git a/Source/WebCore/bindings/scripts/test/JS/JSTestOverloadedConstructors.h b/Source/WebCore/bindings/scripts/test/JS/JSTestOverloadedConstructors.h
>index 289a635abf5196673aa11bd46ab0fadb835ae913..e9a089fbceb346270a64e27530d1c0af153da214 100644
>--- a/Source/WebCore/bindings/scripts/test/JS/JSTestOverloadedConstructors.h
>+++ b/Source/WebCore/bindings/scripts/test/JS/JSTestOverloadedConstructors.h
>@@ -48,7 +48,7 @@ class JSTestOverloadedConstructors : public JSDOMWrapper<TestOverloadedConstruct
>         return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info());
>     }
> 
>-    static JSC::JSValue getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
>+    static JSC::JSObject* getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
>     static void heapSnapshot(JSCell*, JSC::HeapSnapshotBuilder&);
> protected:
>     JSTestOverloadedConstructors(JSC::Structure*, JSDOMGlobalObject&, Ref<TestOverloadedConstructors>&&);
>diff --git a/Source/WebCore/bindings/scripts/test/JS/JSTestOverloadedConstructorsWithSequence.cpp b/Source/WebCore/bindings/scripts/test/JS/JSTestOverloadedConstructorsWithSequence.cpp
>index 0a0a0d725f401a3242702230a1f0619c82bdf99e..aa6b0a445a2a254e61df829fd272c8453c3d1c68 100644
>--- a/Source/WebCore/bindings/scripts/test/JS/JSTestOverloadedConstructorsWithSequence.cpp
>+++ b/Source/WebCore/bindings/scripts/test/JS/JSTestOverloadedConstructorsWithSequence.cpp
>@@ -175,7 +175,7 @@ JSObject* JSTestOverloadedConstructorsWithSequence::prototype(VM& vm, JSDOMGloba
>     return getDOMPrototype<JSTestOverloadedConstructorsWithSequence>(vm, globalObject);
> }
> 
>-JSValue JSTestOverloadedConstructorsWithSequence::getConstructor(VM& vm, const JSGlobalObject* globalObject)
>+JSObject* JSTestOverloadedConstructorsWithSequence::getConstructor(VM& vm, const JSGlobalObject* globalObject)
> {
>     return getDOMConstructor<JSTestOverloadedConstructorsWithSequenceConstructor>(vm, *jsCast<const JSDOMGlobalObject*>(globalObject));
> }
>diff --git a/Source/WebCore/bindings/scripts/test/JS/JSTestOverloadedConstructorsWithSequence.h b/Source/WebCore/bindings/scripts/test/JS/JSTestOverloadedConstructorsWithSequence.h
>index e0f54ebedffe2f2dd1b59ebb0a8739b6b6df1682..79d67c8fc0b2d1b1df647582785f6fd1186dc892 100644
>--- a/Source/WebCore/bindings/scripts/test/JS/JSTestOverloadedConstructorsWithSequence.h
>+++ b/Source/WebCore/bindings/scripts/test/JS/JSTestOverloadedConstructorsWithSequence.h
>@@ -48,7 +48,7 @@ class JSTestOverloadedConstructorsWithSequence : public JSDOMWrapper<TestOverloa
>         return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info());
>     }
> 
>-    static JSC::JSValue getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
>+    static JSC::JSObject* getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
>     static void heapSnapshot(JSCell*, JSC::HeapSnapshotBuilder&);
> protected:
>     JSTestOverloadedConstructorsWithSequence(JSC::Structure*, JSDOMGlobalObject&, Ref<TestOverloadedConstructorsWithSequence>&&);
>diff --git a/Source/WebCore/bindings/scripts/test/JS/JSTestOverrideBuiltins.cpp b/Source/WebCore/bindings/scripts/test/JS/JSTestOverrideBuiltins.cpp
>index 5666642286156afa1ed329af9cfd31b8b41172c0..57f4eaa6305748d8029b898f2c405a08ba50416b 100644
>--- a/Source/WebCore/bindings/scripts/test/JS/JSTestOverrideBuiltins.cpp
>+++ b/Source/WebCore/bindings/scripts/test/JS/JSTestOverrideBuiltins.cpp
>@@ -135,7 +135,7 @@ JSObject* JSTestOverrideBuiltins::prototype(VM& vm, JSDOMGlobalObject& globalObj
>     return getDOMPrototype<JSTestOverrideBuiltins>(vm, globalObject);
> }
> 
>-JSValue JSTestOverrideBuiltins::getConstructor(VM& vm, const JSGlobalObject* globalObject)
>+JSObject* JSTestOverrideBuiltins::getConstructor(VM& vm, const JSGlobalObject* globalObject)
> {
>     return getDOMConstructor<JSTestOverrideBuiltinsConstructor>(vm, *jsCast<const JSDOMGlobalObject*>(globalObject));
> }
>diff --git a/Source/WebCore/bindings/scripts/test/JS/JSTestOverrideBuiltins.h b/Source/WebCore/bindings/scripts/test/JS/JSTestOverrideBuiltins.h
>index 77eeeca41f48c61abcd5ca02dcdd6f8f3e63e629..a97d37489703d8595ec68772d02b65db7b008b4b 100644
>--- a/Source/WebCore/bindings/scripts/test/JS/JSTestOverrideBuiltins.h
>+++ b/Source/WebCore/bindings/scripts/test/JS/JSTestOverrideBuiltins.h
>@@ -51,7 +51,7 @@ class JSTestOverrideBuiltins : public JSDOMWrapper<TestOverrideBuiltins> {
>         return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info());
>     }
> 
>-    static JSC::JSValue getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
>+    static JSC::JSObject* getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
>     static void heapSnapshot(JSCell*, JSC::HeapSnapshotBuilder&);
> public:
>     static const unsigned StructureFlags = Base::StructureFlags | JSC::GetOwnPropertySlotIsImpure | JSC::InterceptsGetOwnPropertySlotByIndexEvenWhenLengthIsNotZero | JSC::OverridesGetOwnPropertySlot | JSC::OverridesGetPropertyNames;
>diff --git a/Source/WebCore/bindings/scripts/test/JS/JSTestPluginInterface.cpp b/Source/WebCore/bindings/scripts/test/JS/JSTestPluginInterface.cpp
>index 7acf2a37c811a863d983e2facb5133e43c80b5cc..9dd74e9cbda3c00f2c332632f0670692d27ba1c8 100644
>--- a/Source/WebCore/bindings/scripts/test/JS/JSTestPluginInterface.cpp
>+++ b/Source/WebCore/bindings/scripts/test/JS/JSTestPluginInterface.cpp
>@@ -125,7 +125,7 @@ JSObject* JSTestPluginInterface::prototype(VM& vm, JSDOMGlobalObject& globalObje
>     return getDOMPrototype<JSTestPluginInterface>(vm, globalObject);
> }
> 
>-JSValue JSTestPluginInterface::getConstructor(VM& vm, const JSGlobalObject* globalObject)
>+JSObject* JSTestPluginInterface::getConstructor(VM& vm, const JSGlobalObject* globalObject)
> {
>     return getDOMConstructor<JSTestPluginInterfaceConstructor>(vm, *jsCast<const JSDOMGlobalObject*>(globalObject));
> }
>diff --git a/Source/WebCore/bindings/scripts/test/JS/JSTestPluginInterface.h b/Source/WebCore/bindings/scripts/test/JS/JSTestPluginInterface.h
>index 1437ca3a063870e3de929c71c07d9633c49b218d..2deccb9806e7544ed916283e640cd66defd364b7 100644
>--- a/Source/WebCore/bindings/scripts/test/JS/JSTestPluginInterface.h
>+++ b/Source/WebCore/bindings/scripts/test/JS/JSTestPluginInterface.h
>@@ -55,7 +55,7 @@ class JSTestPluginInterface : public JSDOMWrapper<TestPluginInterface> {
>         return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info());
>     }
> 
>-    static JSC::JSValue getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
>+    static JSC::JSObject* getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
>     static void heapSnapshot(JSCell*, JSC::HeapSnapshotBuilder&);
> public:
>     static const unsigned StructureFlags = Base::StructureFlags | JSC::InterceptsGetOwnPropertySlotByIndexEvenWhenLengthIsNotZero | JSC::OverridesGetCallData | JSC::OverridesGetOwnPropertySlot;
>diff --git a/Source/WebCore/bindings/scripts/test/JS/JSTestPromiseRejectionEvent.cpp b/Source/WebCore/bindings/scripts/test/JS/JSTestPromiseRejectionEvent.cpp
>index 45a09c7a16cf4ad8f3100b430c5d6db3c4e59a50..e512f47fe2275df159ec0abfa06ceb33ec4faa45 100644
>--- a/Source/WebCore/bindings/scripts/test/JS/JSTestPromiseRejectionEvent.cpp
>+++ b/Source/WebCore/bindings/scripts/test/JS/JSTestPromiseRejectionEvent.cpp
>@@ -176,7 +176,7 @@ template<> EncodedJSValue JSC_HOST_CALL JSTestPromiseRejectionEventConstructor::
> template<> JSValue JSTestPromiseRejectionEventConstructor::prototypeForStructure(JSC::VM& vm, const JSDOMGlobalObject& globalObject)
> {
>     auto result = JSEvent::getConstructor(vm, &globalObject);
>-    result.getObject()->didBecomePrototype();
>+    result->didBecomePrototype();
>     return result;
> }
> 
>@@ -230,7 +230,7 @@ JSObject* JSTestPromiseRejectionEvent::prototype(VM& vm, JSDOMGlobalObject& glob
>     return getDOMPrototype<JSTestPromiseRejectionEvent>(vm, globalObject);
> }
> 
>-JSValue JSTestPromiseRejectionEvent::getConstructor(VM& vm, const JSGlobalObject* globalObject)
>+JSObject* JSTestPromiseRejectionEvent::getConstructor(VM& vm, const JSGlobalObject* globalObject)
> {
>     return getDOMConstructor<JSTestPromiseRejectionEventConstructor>(vm, *jsCast<const JSDOMGlobalObject*>(globalObject));
> }
>diff --git a/Source/WebCore/bindings/scripts/test/JS/JSTestPromiseRejectionEvent.h b/Source/WebCore/bindings/scripts/test/JS/JSTestPromiseRejectionEvent.h
>index f4695fa4c5ad6665805026918ee9fd6ddc9646e9..7b5133d01f072e2d8d48d29cf746924c9253e3f3 100644
>--- a/Source/WebCore/bindings/scripts/test/JS/JSTestPromiseRejectionEvent.h
>+++ b/Source/WebCore/bindings/scripts/test/JS/JSTestPromiseRejectionEvent.h
>@@ -48,7 +48,7 @@ class JSTestPromiseRejectionEvent : public JSEvent {
>         return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::JSType(JSEventType), StructureFlags), info());
>     }
> 
>-    static JSC::JSValue getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
>+    static JSC::JSObject* getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
>     static void heapSnapshot(JSCell*, JSC::HeapSnapshotBuilder&);
>     TestPromiseRejectionEvent& wrapped() const
>     {
>diff --git a/Source/WebCore/bindings/scripts/test/JS/JSTestSerialization.cpp b/Source/WebCore/bindings/scripts/test/JS/JSTestSerialization.cpp
>index ce6a881a21fa6961e15504757dccae3953a62f15..c38216904b7c3890756802c980c98543a1ac64bb 100644
>--- a/Source/WebCore/bindings/scripts/test/JS/JSTestSerialization.cpp
>+++ b/Source/WebCore/bindings/scripts/test/JS/JSTestSerialization.cpp
>@@ -179,7 +179,7 @@ JSObject* JSTestSerialization::prototype(VM& vm, JSDOMGlobalObject& globalObject
>     return getDOMPrototype<JSTestSerialization>(vm, globalObject);
> }
> 
>-JSValue JSTestSerialization::getConstructor(VM& vm, const JSGlobalObject* globalObject)
>+JSObject* JSTestSerialization::getConstructor(VM& vm, const JSGlobalObject* globalObject)
> {
>     return getDOMConstructor<JSTestSerializationConstructor>(vm, *jsCast<const JSDOMGlobalObject*>(globalObject));
> }
>diff --git a/Source/WebCore/bindings/scripts/test/JS/JSTestSerialization.h b/Source/WebCore/bindings/scripts/test/JS/JSTestSerialization.h
>index d272847f7b43d9ed5381367b3541bbbf31347ef8..de2c6a4547689b322d54c250d928bf13d347b00b 100644
>--- a/Source/WebCore/bindings/scripts/test/JS/JSTestSerialization.h
>+++ b/Source/WebCore/bindings/scripts/test/JS/JSTestSerialization.h
>@@ -48,7 +48,7 @@ class JSTestSerialization : public JSDOMWrapper<TestSerialization> {
>         return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info());
>     }
> 
>-    static JSC::JSValue getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
>+    static JSC::JSObject* getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
>     static JSC::JSObject* serialize(JSC::ExecState&, JSTestSerialization& thisObject, JSDOMGlobalObject&, JSC::ThrowScope&);
>     static void heapSnapshot(JSCell*, JSC::HeapSnapshotBuilder&);
> protected:
>diff --git a/Source/WebCore/bindings/scripts/test/JS/JSTestSerializationIndirectInheritance.cpp b/Source/WebCore/bindings/scripts/test/JS/JSTestSerializationIndirectInheritance.cpp
>index c5196873865b7eabf50b6d80265a3c19e7629e9d..511028b9d30c181087b92f0706d6c99eb9580528 100644
>--- a/Source/WebCore/bindings/scripts/test/JS/JSTestSerializationIndirectInheritance.cpp
>+++ b/Source/WebCore/bindings/scripts/test/JS/JSTestSerializationIndirectInheritance.cpp
>@@ -72,7 +72,7 @@ using JSTestSerializationIndirectInheritanceConstructor = JSDOMConstructorNotCon
> template<> JSValue JSTestSerializationIndirectInheritanceConstructor::prototypeForStructure(JSC::VM& vm, const JSDOMGlobalObject& globalObject)
> {
>     auto result = JSTestSerializationInherit::getConstructor(vm, &globalObject);
>-    result.getObject()->didBecomePrototype();
>+    result->didBecomePrototype();
>     return result;
> }
> 
>@@ -124,7 +124,7 @@ JSObject* JSTestSerializationIndirectInheritance::prototype(VM& vm, JSDOMGlobalO
>     return getDOMPrototype<JSTestSerializationIndirectInheritance>(vm, globalObject);
> }
> 
>-JSValue JSTestSerializationIndirectInheritance::getConstructor(VM& vm, const JSGlobalObject* globalObject)
>+JSObject* JSTestSerializationIndirectInheritance::getConstructor(VM& vm, const JSGlobalObject* globalObject)
> {
>     return getDOMConstructor<JSTestSerializationIndirectInheritanceConstructor>(vm, *jsCast<const JSDOMGlobalObject*>(globalObject));
> }
>diff --git a/Source/WebCore/bindings/scripts/test/JS/JSTestSerializationIndirectInheritance.h b/Source/WebCore/bindings/scripts/test/JS/JSTestSerializationIndirectInheritance.h
>index 0dd045ae685eddacf95ecdbab3eddae15c8a5bee..ad62b81da3b58128ba5da0ca21d4eb1ecf2e05c2 100644
>--- a/Source/WebCore/bindings/scripts/test/JS/JSTestSerializationIndirectInheritance.h
>+++ b/Source/WebCore/bindings/scripts/test/JS/JSTestSerializationIndirectInheritance.h
>@@ -47,7 +47,7 @@ class JSTestSerializationIndirectInheritance : public JSTestSerializationInherit
>         return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info());
>     }
> 
>-    static JSC::JSValue getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
>+    static JSC::JSObject* getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
>     static void heapSnapshot(JSCell*, JSC::HeapSnapshotBuilder&);
>     TestSerializationIndirectInheritance& wrapped() const
>     {
>diff --git a/Source/WebCore/bindings/scripts/test/JS/JSTestSerializationInherit.cpp b/Source/WebCore/bindings/scripts/test/JS/JSTestSerializationInherit.cpp
>index a1a824308f4f080c9d2cd7c6da78a9140f1bad9f..f937dc6a7d446aa141ba04169443360417ce87aa 100644
>--- a/Source/WebCore/bindings/scripts/test/JS/JSTestSerializationInherit.cpp
>+++ b/Source/WebCore/bindings/scripts/test/JS/JSTestSerializationInherit.cpp
>@@ -82,7 +82,7 @@ using JSTestSerializationInheritConstructor = JSDOMConstructorNotConstructable<J
> template<> JSValue JSTestSerializationInheritConstructor::prototypeForStructure(JSC::VM& vm, const JSDOMGlobalObject& globalObject)
> {
>     auto result = JSTestSerialization::getConstructor(vm, &globalObject);
>-    result.getObject()->didBecomePrototype();
>+    result->didBecomePrototype();
>     return result;
> }
> 
>@@ -136,7 +136,7 @@ JSObject* JSTestSerializationInherit::prototype(VM& vm, JSDOMGlobalObject& globa
>     return getDOMPrototype<JSTestSerializationInherit>(vm, globalObject);
> }
> 
>-JSValue JSTestSerializationInherit::getConstructor(VM& vm, const JSGlobalObject* globalObject)
>+JSObject* JSTestSerializationInherit::getConstructor(VM& vm, const JSGlobalObject* globalObject)
> {
>     return getDOMConstructor<JSTestSerializationInheritConstructor>(vm, *jsCast<const JSDOMGlobalObject*>(globalObject));
> }
>diff --git a/Source/WebCore/bindings/scripts/test/JS/JSTestSerializationInherit.h b/Source/WebCore/bindings/scripts/test/JS/JSTestSerializationInherit.h
>index 02873a26fcc041bc98a64a557b3ec978e3ebca50..b1c1b3e905544e4f66b2750b02116d1ad5fffa91 100644
>--- a/Source/WebCore/bindings/scripts/test/JS/JSTestSerializationInherit.h
>+++ b/Source/WebCore/bindings/scripts/test/JS/JSTestSerializationInherit.h
>@@ -47,7 +47,7 @@ class JSTestSerializationInherit : public JSTestSerialization {
>         return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info());
>     }
> 
>-    static JSC::JSValue getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
>+    static JSC::JSObject* getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
>     static JSC::JSObject* serialize(JSC::ExecState&, JSTestSerializationInherit& thisObject, JSDOMGlobalObject&, JSC::ThrowScope&);
>     static void heapSnapshot(JSCell*, JSC::HeapSnapshotBuilder&);
>     TestSerializationInherit& wrapped() const
>diff --git a/Source/WebCore/bindings/scripts/test/JS/JSTestSerializationInheritFinal.cpp b/Source/WebCore/bindings/scripts/test/JS/JSTestSerializationInheritFinal.cpp
>index 069b115d4af4a53e93cf2d6a726f77d4a0bd66ad..7a7c225ef76969063ed80400036b57255ccab6c1 100644
>--- a/Source/WebCore/bindings/scripts/test/JS/JSTestSerializationInheritFinal.cpp
>+++ b/Source/WebCore/bindings/scripts/test/JS/JSTestSerializationInheritFinal.cpp
>@@ -84,7 +84,7 @@ using JSTestSerializationInheritFinalConstructor = JSDOMConstructorNotConstructa
> template<> JSValue JSTestSerializationInheritFinalConstructor::prototypeForStructure(JSC::VM& vm, const JSDOMGlobalObject& globalObject)
> {
>     auto result = JSTestSerializationInherit::getConstructor(vm, &globalObject);
>-    result.getObject()->didBecomePrototype();
>+    result->didBecomePrototype();
>     return result;
> }
> 
>@@ -139,7 +139,7 @@ JSObject* JSTestSerializationInheritFinal::prototype(VM& vm, JSDOMGlobalObject&
>     return getDOMPrototype<JSTestSerializationInheritFinal>(vm, globalObject);
> }
> 
>-JSValue JSTestSerializationInheritFinal::getConstructor(VM& vm, const JSGlobalObject* globalObject)
>+JSObject* JSTestSerializationInheritFinal::getConstructor(VM& vm, const JSGlobalObject* globalObject)
> {
>     return getDOMConstructor<JSTestSerializationInheritFinalConstructor>(vm, *jsCast<const JSDOMGlobalObject*>(globalObject));
> }
>diff --git a/Source/WebCore/bindings/scripts/test/JS/JSTestSerializationInheritFinal.h b/Source/WebCore/bindings/scripts/test/JS/JSTestSerializationInheritFinal.h
>index 7c475752d40c301b244933ce0103968943101682..676ef847bfb7f23cc2b391a839adb4bce804163c 100644
>--- a/Source/WebCore/bindings/scripts/test/JS/JSTestSerializationInheritFinal.h
>+++ b/Source/WebCore/bindings/scripts/test/JS/JSTestSerializationInheritFinal.h
>@@ -47,7 +47,7 @@ class JSTestSerializationInheritFinal : public JSTestSerializationInherit {
>         return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info());
>     }
> 
>-    static JSC::JSValue getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
>+    static JSC::JSObject* getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
>     static JSC::JSObject* serialize(JSC::ExecState&, JSTestSerializationInheritFinal& thisObject, JSDOMGlobalObject&, JSC::ThrowScope&);
>     static void heapSnapshot(JSCell*, JSC::HeapSnapshotBuilder&);
>     TestSerializationInheritFinal& wrapped() const
>diff --git a/Source/WebCore/bindings/scripts/test/JS/JSTestSerializedScriptValueInterface.cpp b/Source/WebCore/bindings/scripts/test/JS/JSTestSerializedScriptValueInterface.cpp
>index d37fde1dc193dc8d8a36f28c58dac3c323a0289c..330b4ecd80d08a0b83784249c0483d8837ff3707 100644
>--- a/Source/WebCore/bindings/scripts/test/JS/JSTestSerializedScriptValueInterface.cpp
>+++ b/Source/WebCore/bindings/scripts/test/JS/JSTestSerializedScriptValueInterface.cpp
>@@ -155,7 +155,7 @@ JSObject* JSTestSerializedScriptValueInterface::prototype(VM& vm, JSDOMGlobalObj
>     return getDOMPrototype<JSTestSerializedScriptValueInterface>(vm, globalObject);
> }
> 
>-JSValue JSTestSerializedScriptValueInterface::getConstructor(VM& vm, const JSGlobalObject* globalObject)
>+JSObject* JSTestSerializedScriptValueInterface::getConstructor(VM& vm, const JSGlobalObject* globalObject)
> {
>     return getDOMConstructor<JSTestSerializedScriptValueInterfaceConstructor>(vm, *jsCast<const JSDOMGlobalObject*>(globalObject));
> }
>diff --git a/Source/WebCore/bindings/scripts/test/JS/JSTestSerializedScriptValueInterface.h b/Source/WebCore/bindings/scripts/test/JS/JSTestSerializedScriptValueInterface.h
>index feaec894c070202752c76f5da4b3eea80fc59a00..5548762aa2cef49de7ff501e49deb73a093ca626 100644
>--- a/Source/WebCore/bindings/scripts/test/JS/JSTestSerializedScriptValueInterface.h
>+++ b/Source/WebCore/bindings/scripts/test/JS/JSTestSerializedScriptValueInterface.h
>@@ -50,7 +50,7 @@ class JSTestSerializedScriptValueInterface : public JSDOMWrapper<TestSerializedS
>         return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info());
>     }
> 
>-    static JSC::JSValue getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
>+    static JSC::JSObject* getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
>     mutable JSC::WriteBarrier<JSC::Unknown> m_cachedValue;
>     mutable JSC::WriteBarrier<JSC::Unknown> m_cachedReadonlyValue;
>     static void visitChildren(JSCell*, JSC::SlotVisitor&);
>diff --git a/Source/WebCore/bindings/scripts/test/JS/JSTestStringifier.cpp b/Source/WebCore/bindings/scripts/test/JS/JSTestStringifier.cpp
>index 1ffafdae01c37469650f642d133dad940dbeb71a..6bd109e591e4c4b33ad7adc5b656111237eb77e5 100644
>--- a/Source/WebCore/bindings/scripts/test/JS/JSTestStringifier.cpp
>+++ b/Source/WebCore/bindings/scripts/test/JS/JSTestStringifier.cpp
>@@ -131,7 +131,7 @@ JSObject* JSTestStringifier::prototype(VM& vm, JSDOMGlobalObject& globalObject)
>     return getDOMPrototype<JSTestStringifier>(vm, globalObject);
> }
> 
>-JSValue JSTestStringifier::getConstructor(VM& vm, const JSGlobalObject* globalObject)
>+JSObject* JSTestStringifier::getConstructor(VM& vm, const JSGlobalObject* globalObject)
> {
>     return getDOMConstructor<JSTestStringifierConstructor>(vm, *jsCast<const JSDOMGlobalObject*>(globalObject));
> }
>diff --git a/Source/WebCore/bindings/scripts/test/JS/JSTestStringifier.h b/Source/WebCore/bindings/scripts/test/JS/JSTestStringifier.h
>index 55381f70a52d8d53b33bfe059c78ad5031815284..5fe6182308dbc0483825ecfd2c3f30ac31ee0458 100644
>--- a/Source/WebCore/bindings/scripts/test/JS/JSTestStringifier.h
>+++ b/Source/WebCore/bindings/scripts/test/JS/JSTestStringifier.h
>@@ -48,7 +48,7 @@ class JSTestStringifier : public JSDOMWrapper<TestStringifier> {
>         return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info());
>     }
> 
>-    static JSC::JSValue getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
>+    static JSC::JSObject* getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
>     static void heapSnapshot(JSCell*, JSC::HeapSnapshotBuilder&);
> protected:
>     JSTestStringifier(JSC::Structure*, JSDOMGlobalObject&, Ref<TestStringifier>&&);
>diff --git a/Source/WebCore/bindings/scripts/test/JS/JSTestStringifierAnonymousOperation.cpp b/Source/WebCore/bindings/scripts/test/JS/JSTestStringifierAnonymousOperation.cpp
>index c6465d70960abf434fb6b6b1b4570b464421e9c5..863a055019db9a0412c52a9899b4a55d627cf2c9 100644
>--- a/Source/WebCore/bindings/scripts/test/JS/JSTestStringifierAnonymousOperation.cpp
>+++ b/Source/WebCore/bindings/scripts/test/JS/JSTestStringifierAnonymousOperation.cpp
>@@ -131,7 +131,7 @@ JSObject* JSTestStringifierAnonymousOperation::prototype(VM& vm, JSDOMGlobalObje
>     return getDOMPrototype<JSTestStringifierAnonymousOperation>(vm, globalObject);
> }
> 
>-JSValue JSTestStringifierAnonymousOperation::getConstructor(VM& vm, const JSGlobalObject* globalObject)
>+JSObject* JSTestStringifierAnonymousOperation::getConstructor(VM& vm, const JSGlobalObject* globalObject)
> {
>     return getDOMConstructor<JSTestStringifierAnonymousOperationConstructor>(vm, *jsCast<const JSDOMGlobalObject*>(globalObject));
> }
>diff --git a/Source/WebCore/bindings/scripts/test/JS/JSTestStringifierAnonymousOperation.h b/Source/WebCore/bindings/scripts/test/JS/JSTestStringifierAnonymousOperation.h
>index 14aa0ed3ee9aced16a57bcb45932282d0d49aa82..7ff3e50d3d5f51528198b44f813b0564b0f67f5d 100644
>--- a/Source/WebCore/bindings/scripts/test/JS/JSTestStringifierAnonymousOperation.h
>+++ b/Source/WebCore/bindings/scripts/test/JS/JSTestStringifierAnonymousOperation.h
>@@ -48,7 +48,7 @@ class JSTestStringifierAnonymousOperation : public JSDOMWrapper<TestStringifierA
>         return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info());
>     }
> 
>-    static JSC::JSValue getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
>+    static JSC::JSObject* getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
>     static void heapSnapshot(JSCell*, JSC::HeapSnapshotBuilder&);
> protected:
>     JSTestStringifierAnonymousOperation(JSC::Structure*, JSDOMGlobalObject&, Ref<TestStringifierAnonymousOperation>&&);
>diff --git a/Source/WebCore/bindings/scripts/test/JS/JSTestStringifierNamedOperation.cpp b/Source/WebCore/bindings/scripts/test/JS/JSTestStringifierNamedOperation.cpp
>index fe867d62e0b3a3782f50da17681d3603abc20093..9a2a481dc58f8d892d95303e6d4afa507139a24b 100644
>--- a/Source/WebCore/bindings/scripts/test/JS/JSTestStringifierNamedOperation.cpp
>+++ b/Source/WebCore/bindings/scripts/test/JS/JSTestStringifierNamedOperation.cpp
>@@ -133,7 +133,7 @@ JSObject* JSTestStringifierNamedOperation::prototype(VM& vm, JSDOMGlobalObject&
>     return getDOMPrototype<JSTestStringifierNamedOperation>(vm, globalObject);
> }
> 
>-JSValue JSTestStringifierNamedOperation::getConstructor(VM& vm, const JSGlobalObject* globalObject)
>+JSObject* JSTestStringifierNamedOperation::getConstructor(VM& vm, const JSGlobalObject* globalObject)
> {
>     return getDOMConstructor<JSTestStringifierNamedOperationConstructor>(vm, *jsCast<const JSDOMGlobalObject*>(globalObject));
> }
>diff --git a/Source/WebCore/bindings/scripts/test/JS/JSTestStringifierNamedOperation.h b/Source/WebCore/bindings/scripts/test/JS/JSTestStringifierNamedOperation.h
>index 5bc10ef65d2194401a53e3e5cc2318fd45fbbe54..cfca13f7073a2d7bc2cca7f68de6f8da13e9b65b 100644
>--- a/Source/WebCore/bindings/scripts/test/JS/JSTestStringifierNamedOperation.h
>+++ b/Source/WebCore/bindings/scripts/test/JS/JSTestStringifierNamedOperation.h
>@@ -48,7 +48,7 @@ class JSTestStringifierNamedOperation : public JSDOMWrapper<TestStringifierNamed
>         return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info());
>     }
> 
>-    static JSC::JSValue getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
>+    static JSC::JSObject* getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
>     static void heapSnapshot(JSCell*, JSC::HeapSnapshotBuilder&);
> protected:
>     JSTestStringifierNamedOperation(JSC::Structure*, JSDOMGlobalObject&, Ref<TestStringifierNamedOperation>&&);
>diff --git a/Source/WebCore/bindings/scripts/test/JS/JSTestStringifierOperationImplementedAs.cpp b/Source/WebCore/bindings/scripts/test/JS/JSTestStringifierOperationImplementedAs.cpp
>index 34ab9dac708c5cac37fe171812e1e3658b1212ab..66a134babfcba56385a07b13aacdf36c18b5f363 100644
>--- a/Source/WebCore/bindings/scripts/test/JS/JSTestStringifierOperationImplementedAs.cpp
>+++ b/Source/WebCore/bindings/scripts/test/JS/JSTestStringifierOperationImplementedAs.cpp
>@@ -133,7 +133,7 @@ JSObject* JSTestStringifierOperationImplementedAs::prototype(VM& vm, JSDOMGlobal
>     return getDOMPrototype<JSTestStringifierOperationImplementedAs>(vm, globalObject);
> }
> 
>-JSValue JSTestStringifierOperationImplementedAs::getConstructor(VM& vm, const JSGlobalObject* globalObject)
>+JSObject* JSTestStringifierOperationImplementedAs::getConstructor(VM& vm, const JSGlobalObject* globalObject)
> {
>     return getDOMConstructor<JSTestStringifierOperationImplementedAsConstructor>(vm, *jsCast<const JSDOMGlobalObject*>(globalObject));
> }
>diff --git a/Source/WebCore/bindings/scripts/test/JS/JSTestStringifierOperationImplementedAs.h b/Source/WebCore/bindings/scripts/test/JS/JSTestStringifierOperationImplementedAs.h
>index f93ff116869596bf7efc28c9ee6275adffb586ec..70f84619ec7c1a575c8c831b3c45a5a50814bbba 100644
>--- a/Source/WebCore/bindings/scripts/test/JS/JSTestStringifierOperationImplementedAs.h
>+++ b/Source/WebCore/bindings/scripts/test/JS/JSTestStringifierOperationImplementedAs.h
>@@ -48,7 +48,7 @@ class JSTestStringifierOperationImplementedAs : public JSDOMWrapper<TestStringif
>         return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info());
>     }
> 
>-    static JSC::JSValue getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
>+    static JSC::JSObject* getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
>     static void heapSnapshot(JSCell*, JSC::HeapSnapshotBuilder&);
> protected:
>     JSTestStringifierOperationImplementedAs(JSC::Structure*, JSDOMGlobalObject&, Ref<TestStringifierOperationImplementedAs>&&);
>diff --git a/Source/WebCore/bindings/scripts/test/JS/JSTestStringifierOperationNamedToString.cpp b/Source/WebCore/bindings/scripts/test/JS/JSTestStringifierOperationNamedToString.cpp
>index fe730ba0023fc49a4acc78067a92707a08e7fe47..1b85ce666179183906ecf7059fb31d7b59487438 100644
>--- a/Source/WebCore/bindings/scripts/test/JS/JSTestStringifierOperationNamedToString.cpp
>+++ b/Source/WebCore/bindings/scripts/test/JS/JSTestStringifierOperationNamedToString.cpp
>@@ -131,7 +131,7 @@ JSObject* JSTestStringifierOperationNamedToString::prototype(VM& vm, JSDOMGlobal
>     return getDOMPrototype<JSTestStringifierOperationNamedToString>(vm, globalObject);
> }
> 
>-JSValue JSTestStringifierOperationNamedToString::getConstructor(VM& vm, const JSGlobalObject* globalObject)
>+JSObject* JSTestStringifierOperationNamedToString::getConstructor(VM& vm, const JSGlobalObject* globalObject)
> {
>     return getDOMConstructor<JSTestStringifierOperationNamedToStringConstructor>(vm, *jsCast<const JSDOMGlobalObject*>(globalObject));
> }
>diff --git a/Source/WebCore/bindings/scripts/test/JS/JSTestStringifierOperationNamedToString.h b/Source/WebCore/bindings/scripts/test/JS/JSTestStringifierOperationNamedToString.h
>index 12de238e0f628d609fb18c9c05c5f800c6b24ac8..965cf11f4756f6fb417b43d2521e35ec4d0c4abc 100644
>--- a/Source/WebCore/bindings/scripts/test/JS/JSTestStringifierOperationNamedToString.h
>+++ b/Source/WebCore/bindings/scripts/test/JS/JSTestStringifierOperationNamedToString.h
>@@ -48,7 +48,7 @@ class JSTestStringifierOperationNamedToString : public JSDOMWrapper<TestStringif
>         return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info());
>     }
> 
>-    static JSC::JSValue getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
>+    static JSC::JSObject* getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
>     static void heapSnapshot(JSCell*, JSC::HeapSnapshotBuilder&);
> protected:
>     JSTestStringifierOperationNamedToString(JSC::Structure*, JSDOMGlobalObject&, Ref<TestStringifierOperationNamedToString>&&);
>diff --git a/Source/WebCore/bindings/scripts/test/JS/JSTestStringifierReadOnlyAttribute.cpp b/Source/WebCore/bindings/scripts/test/JS/JSTestStringifierReadOnlyAttribute.cpp
>index df4ef8c7247c76f2feccb584623ab6ebe3290cce..45680b4bccbe5e50399dc18d9b2fb1a4d0a3d71b 100644
>--- a/Source/WebCore/bindings/scripts/test/JS/JSTestStringifierReadOnlyAttribute.cpp
>+++ b/Source/WebCore/bindings/scripts/test/JS/JSTestStringifierReadOnlyAttribute.cpp
>@@ -134,7 +134,7 @@ JSObject* JSTestStringifierReadOnlyAttribute::prototype(VM& vm, JSDOMGlobalObjec
>     return getDOMPrototype<JSTestStringifierReadOnlyAttribute>(vm, globalObject);
> }
> 
>-JSValue JSTestStringifierReadOnlyAttribute::getConstructor(VM& vm, const JSGlobalObject* globalObject)
>+JSObject* JSTestStringifierReadOnlyAttribute::getConstructor(VM& vm, const JSGlobalObject* globalObject)
> {
>     return getDOMConstructor<JSTestStringifierReadOnlyAttributeConstructor>(vm, *jsCast<const JSDOMGlobalObject*>(globalObject));
> }
>diff --git a/Source/WebCore/bindings/scripts/test/JS/JSTestStringifierReadOnlyAttribute.h b/Source/WebCore/bindings/scripts/test/JS/JSTestStringifierReadOnlyAttribute.h
>index 6dcbdc8d955e5b2deb5eb0125053c22528b5d491..94551b96d1a83206d0b0cbf4786eec257f8b3737 100644
>--- a/Source/WebCore/bindings/scripts/test/JS/JSTestStringifierReadOnlyAttribute.h
>+++ b/Source/WebCore/bindings/scripts/test/JS/JSTestStringifierReadOnlyAttribute.h
>@@ -48,7 +48,7 @@ class JSTestStringifierReadOnlyAttribute : public JSDOMWrapper<TestStringifierRe
>         return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info());
>     }
> 
>-    static JSC::JSValue getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
>+    static JSC::JSObject* getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
>     static void heapSnapshot(JSCell*, JSC::HeapSnapshotBuilder&);
> protected:
>     JSTestStringifierReadOnlyAttribute(JSC::Structure*, JSDOMGlobalObject&, Ref<TestStringifierReadOnlyAttribute>&&);
>diff --git a/Source/WebCore/bindings/scripts/test/JS/JSTestStringifierReadWriteAttribute.cpp b/Source/WebCore/bindings/scripts/test/JS/JSTestStringifierReadWriteAttribute.cpp
>index b204fa263645a45d0db22cdfc9369a033ce5ece0..65d1b12331e135f19161a019e736ce4d32b6497c 100644
>--- a/Source/WebCore/bindings/scripts/test/JS/JSTestStringifierReadWriteAttribute.cpp
>+++ b/Source/WebCore/bindings/scripts/test/JS/JSTestStringifierReadWriteAttribute.cpp
>@@ -135,7 +135,7 @@ JSObject* JSTestStringifierReadWriteAttribute::prototype(VM& vm, JSDOMGlobalObje
>     return getDOMPrototype<JSTestStringifierReadWriteAttribute>(vm, globalObject);
> }
> 
>-JSValue JSTestStringifierReadWriteAttribute::getConstructor(VM& vm, const JSGlobalObject* globalObject)
>+JSObject* JSTestStringifierReadWriteAttribute::getConstructor(VM& vm, const JSGlobalObject* globalObject)
> {
>     return getDOMConstructor<JSTestStringifierReadWriteAttributeConstructor>(vm, *jsCast<const JSDOMGlobalObject*>(globalObject));
> }
>diff --git a/Source/WebCore/bindings/scripts/test/JS/JSTestStringifierReadWriteAttribute.h b/Source/WebCore/bindings/scripts/test/JS/JSTestStringifierReadWriteAttribute.h
>index cb21c3ed45501284a35d2f645cfa9b1035bf9398..be94508ad60d7ce07190521176b7ccb747979d16 100644
>--- a/Source/WebCore/bindings/scripts/test/JS/JSTestStringifierReadWriteAttribute.h
>+++ b/Source/WebCore/bindings/scripts/test/JS/JSTestStringifierReadWriteAttribute.h
>@@ -48,7 +48,7 @@ class JSTestStringifierReadWriteAttribute : public JSDOMWrapper<TestStringifierR
>         return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info());
>     }
> 
>-    static JSC::JSValue getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
>+    static JSC::JSObject* getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
>     static void heapSnapshot(JSCell*, JSC::HeapSnapshotBuilder&);
> protected:
>     JSTestStringifierReadWriteAttribute(JSC::Structure*, JSDOMGlobalObject&, Ref<TestStringifierReadWriteAttribute>&&);
>diff --git a/Source/WebCore/bindings/scripts/test/JS/JSTestTypedefs.cpp b/Source/WebCore/bindings/scripts/test/JS/JSTestTypedefs.cpp
>index a71b58c6c7d36e7ac4886a5cc5934b0accc2526f..d3447a619801391dd41141b6c68ef0533e29a213 100644
>--- a/Source/WebCore/bindings/scripts/test/JS/JSTestTypedefs.cpp
>+++ b/Source/WebCore/bindings/scripts/test/JS/JSTestTypedefs.cpp
>@@ -238,7 +238,7 @@ JSObject* JSTestTypedefs::prototype(VM& vm, JSDOMGlobalObject& globalObject)
>     return getDOMPrototype<JSTestTypedefs>(vm, globalObject);
> }
> 
>-JSValue JSTestTypedefs::getConstructor(VM& vm, const JSGlobalObject* globalObject)
>+JSObject* JSTestTypedefs::getConstructor(VM& vm, const JSGlobalObject* globalObject)
> {
>     return getDOMConstructor<JSTestTypedefsConstructor>(vm, *jsCast<const JSDOMGlobalObject*>(globalObject));
> }
>diff --git a/Source/WebCore/bindings/scripts/test/JS/JSTestTypedefs.h b/Source/WebCore/bindings/scripts/test/JS/JSTestTypedefs.h
>index 23f73fb4e15c4eb27ca12c8424efc70750430780..8111928c263d260fbc1439bb06bcee8b00bafb5b 100644
>--- a/Source/WebCore/bindings/scripts/test/JS/JSTestTypedefs.h
>+++ b/Source/WebCore/bindings/scripts/test/JS/JSTestTypedefs.h
>@@ -48,7 +48,7 @@ class JSTestTypedefs : public JSDOMWrapper<TestTypedefs> {
>         return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info());
>     }
> 
>-    static JSC::JSValue getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
>+    static JSC::JSObject* getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
>     static void heapSnapshot(JSCell*, JSC::HeapSnapshotBuilder&);
> public:
>     static const unsigned StructureFlags = Base::StructureFlags | JSC::HasStaticPropertyTable;

Flags:

darin: review+

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Attachments on bug 199144: 372737