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[patch]
the patch
blah.patch (text/plain), 21.61 KB, created by
Filip Pizlo
on 2013-11-21 23:26:58 PST
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Description:
the patch
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Creator:
Filip Pizlo
Created:
2013-11-21 23:26:58 PST
Size:
21.61 KB
patch
obsolete
>Index: Source/JavaScriptCore/ChangeLog >=================================================================== >--- Source/JavaScriptCore/ChangeLog (revision 159681) >+++ Source/JavaScriptCore/ChangeLog (working copy) >@@ -1,3 +1,54 @@ >+2013-11-21 Filip Pizlo <fpizlo@apple.com> >+ >+ Combine SymbolTable and SharedSymbolTable >+ https://bugs.webkit.org/show_bug.cgi?id=124761 >+ >+ Reviewed by NOBODY (OOPS!). >+ >+ SymbolTable was never used directly; we now always used SharedSymbolTable. So, this >+ gets rid of SymbolTable and renames SharedSymbolTable to SymbolTable. >+ >+ * bytecode/CodeBlock.h: >+ (JSC::CodeBlock::symbolTable): >+ * bytecode/UnlinkedCodeBlock.h: >+ (JSC::UnlinkedFunctionExecutable::symbolTable): >+ (JSC::UnlinkedCodeBlock::symbolTable): >+ (JSC::UnlinkedCodeBlock::finishCreation): >+ * bytecompiler/BytecodeGenerator.h: >+ (JSC::BytecodeGenerator::symbolTable): >+ * dfg/DFGSpeculativeJIT32_64.cpp: >+ (JSC::DFG::SpeculativeJIT::compile): >+ * dfg/DFGSpeculativeJIT64.cpp: >+ (JSC::DFG::SpeculativeJIT::compile): >+ * dfg/DFGStackLayoutPhase.cpp: >+ (JSC::DFG::StackLayoutPhase::run): >+ * jit/AssemblyHelpers.h: >+ (JSC::AssemblyHelpers::symbolTableFor): >+ * runtime/Arguments.h: >+ (JSC::Arguments::finishCreation): >+ * runtime/Executable.h: >+ (JSC::FunctionExecutable::symbolTable): >+ * runtime/JSActivation.h: >+ (JSC::JSActivation::create): >+ (JSC::JSActivation::JSActivation): >+ (JSC::JSActivation::registersOffset): >+ (JSC::JSActivation::allocationSize): >+ * runtime/JSSymbolTableObject.h: >+ (JSC::JSSymbolTableObject::symbolTable): >+ (JSC::JSSymbolTableObject::JSSymbolTableObject): >+ (JSC::JSSymbolTableObject::finishCreation): >+ * runtime/JSVariableObject.h: >+ (JSC::JSVariableObject::JSVariableObject): >+ * runtime/SymbolTable.cpp: >+ (JSC::SymbolTable::destroy): >+ (JSC::SymbolTable::SymbolTable): >+ * runtime/SymbolTable.h: >+ (JSC::SymbolTable::create): >+ (JSC::SymbolTable::createStructure): >+ * runtime/VM.cpp: >+ (JSC::VM::VM): >+ * runtime/VM.h: >+ > 2013-11-21 Filip Pizlo <fpizlo@apple.com> > > Fix a typo (requriements->requirements). >Index: Source/JavaScriptCore/bytecode/CodeBlock.h >=================================================================== >--- Source/JavaScriptCore/bytecode/CodeBlock.h (revision 159681) >+++ Source/JavaScriptCore/bytecode/CodeBlock.h (working copy) >@@ -724,7 +724,7 @@ public: > StringJumpTable& stringSwitchJumpTable(int tableIndex) { RELEASE_ASSERT(m_rareData); return m_rareData->m_stringSwitchJumpTables[tableIndex]; } > > >- SharedSymbolTable* symbolTable() const { return m_unlinkedCode->symbolTable(); } >+ SymbolTable* symbolTable() const { return m_unlinkedCode->symbolTable(); } > > EvalCodeCache& evalCodeCache() { createRareDataIfNecessary(); return m_rareData->m_evalCodeCache; } > >Index: Source/JavaScriptCore/bytecode/UnlinkedCodeBlock.h >=================================================================== >--- Source/JavaScriptCore/bytecode/UnlinkedCodeBlock.h (revision 159681) >+++ Source/JavaScriptCore/bytecode/UnlinkedCodeBlock.h (working copy) >@@ -55,7 +55,7 @@ struct ParserError; > class ScriptExecutable; > class SourceCode; > class SourceProvider; >-class SharedSymbolTable; >+class SymbolTable; > class UnlinkedCodeBlock; > class UnlinkedFunctionCodeBlock; > >@@ -93,7 +93,7 @@ public: > const Identifier& name() const { return m_name; } > const Identifier& inferredName() const { return m_inferredName; } > JSString* nameValue() const { return m_nameValue.get(); } >- SharedSymbolTable* symbolTable(CodeSpecializationKind kind) >+ SymbolTable* symbolTable(CodeSpecializationKind kind) > { > return (kind == CodeForCall) ? m_symbolTableForCall.get() : m_symbolTableForConstruct.get(); > } >@@ -156,8 +156,8 @@ private: > Identifier m_name; > Identifier m_inferredName; > WriteBarrier<JSString> m_nameValue; >- WriteBarrier<SharedSymbolTable> m_symbolTableForCall; >- WriteBarrier<SharedSymbolTable> m_symbolTableForConstruct; >+ WriteBarrier<SymbolTable> m_symbolTableForCall; >+ WriteBarrier<SymbolTable> m_symbolTableForConstruct; > RefPtr<FunctionParameters> m_parameters; > unsigned m_firstLineOffset; > unsigned m_lineCount; >@@ -383,7 +383,7 @@ public: > void addExceptionHandler(const UnlinkedHandlerInfo& hanler) { createRareDataIfNecessary(); return m_rareData->m_exceptionHandlers.append(hanler); } > UnlinkedHandlerInfo& exceptionHandler(int index) { ASSERT(m_rareData); return m_rareData->m_exceptionHandlers[index]; } > >- SharedSymbolTable* symbolTable() const { return m_symbolTable.get(); } >+ SymbolTable* symbolTable() const { return m_symbolTable.get(); } > > VM* vm() const { return m_vm; } > >@@ -469,7 +469,7 @@ protected: > Base::finishCreation(vm); > if (codeType() == GlobalCode) > return; >- m_symbolTable.set(vm, this, SharedSymbolTable::create(vm)); >+ m_symbolTable.set(vm, this, SymbolTable::create(vm)); > } > > private: >@@ -512,7 +512,7 @@ private: > FunctionExpressionVector m_functionDecls; > FunctionExpressionVector m_functionExprs; > >- WriteBarrier<SharedSymbolTable> m_symbolTable; >+ WriteBarrier<SymbolTable> m_symbolTable; > > Vector<unsigned> m_propertyAccessInstructions; > >Index: Source/JavaScriptCore/bytecompiler/BytecodeGenerator.h >=================================================================== >--- Source/JavaScriptCore/bytecompiler/BytecodeGenerator.h (revision 159681) >+++ Source/JavaScriptCore/bytecompiler/BytecodeGenerator.h (working copy) >@@ -534,7 +534,7 @@ namespace JSC { > > Vector<UnlinkedInstruction, 0, UnsafeVectorOverflow>& instructions() { return m_instructions; } > >- SharedSymbolTable& symbolTable() { return *m_symbolTable; } >+ SymbolTable& symbolTable() { return *m_symbolTable; } > > bool shouldOptimizeLocals() > { >@@ -577,7 +577,7 @@ namespace JSC { > bool m_shouldEmitDebugHooks; > bool m_shouldEmitProfileHooks; > >- SharedSymbolTable* m_symbolTable; >+ SymbolTable* m_symbolTable; > > ScopeNode* m_scopeNode; > Strong<UnlinkedCodeBlock> m_codeBlock; >Index: Source/JavaScriptCore/dfg/DFGSpeculativeJIT32_64.cpp >=================================================================== >--- Source/JavaScriptCore/dfg/DFGSpeculativeJIT32_64.cpp (revision 159681) >+++ Source/JavaScriptCore/dfg/DFGSpeculativeJIT32_64.cpp (working copy) >@@ -4350,7 +4350,7 @@ void SpeculativeJIT::compile(Node* node) > > JITCompiler::Jump notCreated = m_jit.branch32(JITCompiler::Equal, activationValueTagGPR, TrustedImm32(JSValue::EmptyValueTag)); > >- SharedSymbolTable* symbolTable = m_jit.symbolTableFor(node->codeOrigin); >+ SymbolTable* symbolTable = m_jit.symbolTableFor(node->codeOrigin); > int registersOffset = JSActivation::registersOffset(symbolTable); > > int bytecodeCaptureStart = symbolTable->captureStart(); >Index: Source/JavaScriptCore/dfg/DFGSpeculativeJIT64.cpp >=================================================================== >--- Source/JavaScriptCore/dfg/DFGSpeculativeJIT64.cpp (revision 159681) >+++ Source/JavaScriptCore/dfg/DFGSpeculativeJIT64.cpp (working copy) >@@ -4630,7 +4630,7 @@ void SpeculativeJIT::compile(Node* node) > > JITCompiler::Jump notCreated = m_jit.branchTest64(JITCompiler::Zero, activationValueGPR); > >- SharedSymbolTable* symbolTable = m_jit.symbolTableFor(node->codeOrigin); >+ SymbolTable* symbolTable = m_jit.symbolTableFor(node->codeOrigin); > int registersOffset = JSActivation::registersOffset(symbolTable); > > int bytecodeCaptureStart = symbolTable->captureStart(); >Index: Source/JavaScriptCore/dfg/DFGStackLayoutPhase.cpp >=================================================================== >--- Source/JavaScriptCore/dfg/DFGStackLayoutPhase.cpp (revision 159681) >+++ Source/JavaScriptCore/dfg/DFGStackLayoutPhase.cpp (working copy) >@@ -46,7 +46,7 @@ public: > > bool run() > { >- SharedSymbolTable* symbolTable = codeBlock()->symbolTable(); >+ SymbolTable* symbolTable = codeBlock()->symbolTable(); > > // This enumerates the locals that we actually care about and packs them. So for example > // if we use local 1, 3, 4, 5, 7, then we remap them: 1->0, 3->1, 4->2, 5->3, 7->4. We >Index: Source/JavaScriptCore/jit/AssemblyHelpers.h >=================================================================== >--- Source/JavaScriptCore/jit/AssemblyHelpers.h (revision 159681) >+++ Source/JavaScriptCore/jit/AssemblyHelpers.h (working copy) >@@ -435,7 +435,7 @@ public: > return baselineArgumentsRegisterFor(codeOrigin.inlineCallFrame); > } > >- SharedSymbolTable* symbolTableFor(const CodeOrigin& codeOrigin) >+ SymbolTable* symbolTableFor(const CodeOrigin& codeOrigin) > { > return baselineCodeBlockFor(codeOrigin)->symbolTable(); > } >Index: Source/JavaScriptCore/runtime/Arguments.h >=================================================================== >--- Source/JavaScriptCore/runtime/Arguments.h (revision 159681) >+++ Source/JavaScriptCore/runtime/Arguments.h (working copy) >@@ -251,7 +251,7 @@ inline void Arguments::finishCreation(Ca > > CodeBlock* codeBlock = callFrame->codeBlock(); > if (codeBlock->hasSlowArguments()) { >- SharedSymbolTable* symbolTable = codeBlock->symbolTable(); >+ SymbolTable* symbolTable = codeBlock->symbolTable(); > const SlowArgument* slowArguments = codeBlock->machineSlowArguments(); > allocateSlowArguments(); > size_t count = std::min<unsigned>(m_numArguments, symbolTable->parameterCount()); >Index: Source/JavaScriptCore/runtime/Executable.h >=================================================================== >--- Source/JavaScriptCore/runtime/Executable.h (revision 159681) >+++ Source/JavaScriptCore/runtime/Executable.h (working copy) >@@ -639,7 +639,7 @@ public: > JSString* nameValue() const { return m_unlinkedExecutable->nameValue(); } > size_t parameterCount() const { return m_unlinkedExecutable->parameterCount(); } // Excluding 'this'! > String paramString() const; >- SharedSymbolTable* symbolTable(CodeSpecializationKind kind) const { return m_unlinkedExecutable->symbolTable(kind); } >+ SymbolTable* symbolTable(CodeSpecializationKind kind) const { return m_unlinkedExecutable->symbolTable(kind); } > > void clearCodeIfNotCompiling(); > void clearUnlinkedCodeForRecompilationIfNotCompiling(); >Index: Source/JavaScriptCore/runtime/JSActivation.h >=================================================================== >--- Source/JavaScriptCore/runtime/JSActivation.h (revision 159681) >+++ Source/JavaScriptCore/runtime/JSActivation.h (working copy) >@@ -41,14 +41,14 @@ class Register; > > class JSActivation : public JSVariableObject { > private: >- JSActivation(VM&, CallFrame*, Register*, SharedSymbolTable*); >+ JSActivation(VM&, CallFrame*, Register*, SymbolTable*); > > public: > typedef JSVariableObject Base; > > static JSActivation* create(VM& vm, CallFrame* callFrame, Register* registers, CodeBlock* codeBlock) > { >- SharedSymbolTable* symbolTable = codeBlock->symbolTable(); >+ SymbolTable* symbolTable = codeBlock->symbolTable(); > JSActivation* activation = new ( > NotNull, > allocateCell<JSActivation>( >@@ -87,7 +87,7 @@ public: > bool isValid(const SymbolTableEntry&) const; > bool isTornOff(); > int registersOffset(); >- static int registersOffset(SharedSymbolTable*); >+ static int registersOffset(SymbolTable*); > > protected: > static const unsigned StructureFlags = OverridesGetOwnPropertySlot | OverridesVisitChildren | OverridesGetPropertyNames | Base::StructureFlags; >@@ -101,7 +101,7 @@ private: > > static JSValue argumentsGetter(ExecState*, JSValue, PropertyName); > >- static size_t allocationSize(SharedSymbolTable*); >+ static size_t allocationSize(SymbolTable*); > static size_t storageOffset(); > > WriteBarrier<Unknown>* storage(); // captureCount() number of registers. >@@ -110,7 +110,7 @@ private: > extern int activationCount; > extern int allTheThingsCount; > >-inline JSActivation::JSActivation(VM& vm, CallFrame* callFrame, Register* registers, SharedSymbolTable* symbolTable) >+inline JSActivation::JSActivation(VM& vm, CallFrame* callFrame, Register* registers, SymbolTable* symbolTable) > : Base( > vm, > callFrame->lexicalGlobalObject()->activationStructure(), >@@ -137,7 +137,7 @@ ALWAYS_INLINE JSActivation* Register::ac > return asActivation(jsValue()); > } > >-inline int JSActivation::registersOffset(SharedSymbolTable* symbolTable) >+inline int JSActivation::registersOffset(SymbolTable* symbolTable) > { > return storageOffset() + ((symbolTable->captureCount() - symbolTable->captureStart() - 1) * sizeof(WriteBarrier<Unknown>)); > } >@@ -175,7 +175,7 @@ inline WriteBarrier<Unknown>* JSActivati > reinterpret_cast<char*>(this) + storageOffset()); > } > >-inline size_t JSActivation::allocationSize(SharedSymbolTable* symbolTable) >+inline size_t JSActivation::allocationSize(SymbolTable* symbolTable) > { > size_t objectSizeInBytes = WTF::roundUpToMultipleOf<sizeof(WriteBarrier<Unknown>)>(sizeof(JSActivation)); > size_t storageSizeInBytes = symbolTable->captureCount() * sizeof(WriteBarrier<Unknown>); >Index: Source/JavaScriptCore/runtime/JSSymbolTableObject.h >=================================================================== >--- Source/JavaScriptCore/runtime/JSSymbolTableObject.h (revision 159681) >+++ Source/JavaScriptCore/runtime/JSSymbolTableObject.h (working copy) >@@ -39,7 +39,7 @@ class JSSymbolTableObject : public JSSco > public: > typedef JSScope Base; > >- SharedSymbolTable* symbolTable() const { return m_symbolTable.get(); } >+ SymbolTable* symbolTable() const { return m_symbolTable.get(); } > > JS_EXPORT_PRIVATE static bool deleteProperty(JSCell*, ExecState*, PropertyName); > JS_EXPORT_PRIVATE static void getOwnNonIndexPropertyNames(JSObject*, ExecState*, PropertyNameArray&, EnumerationMode); >@@ -47,7 +47,7 @@ public: > protected: > static const unsigned StructureFlags = IsEnvironmentRecord | OverridesVisitChildren | OverridesGetPropertyNames | Base::StructureFlags; > >- JSSymbolTableObject(VM& vm, Structure* structure, JSScope* scope, SharedSymbolTable* symbolTable = 0) >+ JSSymbolTableObject(VM& vm, Structure* structure, JSScope* scope, SymbolTable* symbolTable = 0) > : Base(vm, structure, scope) > { > if (symbolTable) >@@ -58,12 +58,12 @@ protected: > { > Base::finishCreation(vm); > if (!m_symbolTable) >- m_symbolTable.set(vm, this, SharedSymbolTable::create(vm)); >+ m_symbolTable.set(vm, this, SymbolTable::create(vm)); > } > > static void visitChildren(JSCell*, SlotVisitor&); > >- WriteBarrier<SharedSymbolTable> m_symbolTable; >+ WriteBarrier<SymbolTable> m_symbolTable; > }; > > template<typename SymbolTableObjectType> >Index: Source/JavaScriptCore/runtime/JSVariableObject.h >=================================================================== >--- Source/JavaScriptCore/runtime/JSVariableObject.h (revision 159681) >+++ Source/JavaScriptCore/runtime/JSVariableObject.h (working copy) >@@ -61,7 +61,7 @@ protected: > Structure* structure, > Register* registers, > JSScope* scope, >- SharedSymbolTable* symbolTable = 0) >+ SymbolTable* symbolTable = 0) > : Base(vm, structure, scope, symbolTable) > , m_registers(reinterpret_cast<WriteBarrierBase<Unknown>*>(registers)) > { >Index: Source/JavaScriptCore/runtime/SymbolTable.cpp >=================================================================== >--- Source/JavaScriptCore/runtime/SymbolTable.cpp (revision 159681) >+++ Source/JavaScriptCore/runtime/SymbolTable.cpp (working copy) >@@ -35,7 +35,7 @@ > > namespace JSC { > >-const ClassInfo SharedSymbolTable::s_info = { "SharedSymbolTable", 0, 0, 0, CREATE_METHOD_TABLE(SharedSymbolTable) }; >+const ClassInfo SymbolTable::s_info = { "SymbolTable", 0, 0, 0, CREATE_METHOD_TABLE(SymbolTable) }; > > SymbolTableEntry& SymbolTableEntry::copySlow(const SymbolTableEntry& other) > { >@@ -46,10 +46,10 @@ SymbolTableEntry& SymbolTableEntry::copy > return *this; > } > >-void SharedSymbolTable::destroy(JSCell* cell) >+void SymbolTable::destroy(JSCell* cell) > { >- SharedSymbolTable* thisObject = jsCast<SharedSymbolTable*>(cell); >- thisObject->SharedSymbolTable::~SharedSymbolTable(); >+ SymbolTable* thisObject = jsCast<SymbolTable*>(cell); >+ thisObject->SymbolTable::~SymbolTable(); > } > > void SymbolTableEntry::freeFatEntrySlow() >@@ -98,7 +98,15 @@ SymbolTableEntry::FatEntry* SymbolTableE > return entry; > } > >-SymbolTable::SymbolTable() { } >+SymbolTable::SymbolTable(VM& vm) >+ : JSCell(vm, vm.symbolTableStructure.get()) >+ , m_parameterCountIncludingThis(0) >+ , m_usesNonStrictEval(false) >+ , m_captureStart(0) >+ , m_captureEnd(0) >+{ >+} >+ > SymbolTable::~SymbolTable() { } > > } // namespace JSC >Index: Source/JavaScriptCore/runtime/SymbolTable.h >=================================================================== >--- Source/JavaScriptCore/runtime/SymbolTable.h (revision 159681) >+++ Source/JavaScriptCore/runtime/SymbolTable.h (working copy) >@@ -334,13 +334,27 @@ struct SymbolTableIndexHashTraits : Hash > static const bool needsDestruction = true; > }; > >-class SymbolTable { >+class SymbolTable : public JSCell { > public: >+ typedef JSCell Base; >+ > typedef HashMap<RefPtr<StringImpl>, SymbolTableEntry, IdentifierRepHash, HashTraits<RefPtr<StringImpl>>, SymbolTableIndexHashTraits> Map; > >- JS_EXPORT_PRIVATE SymbolTable(); >- JS_EXPORT_PRIVATE ~SymbolTable(); >- >+ static SymbolTable* create(VM& vm) >+ { >+ SymbolTable* symbolTable = new (NotNull, allocateCell<SymbolTable>(vm.heap)) SymbolTable(vm); >+ symbolTable->finishCreation(vm); >+ return symbolTable; >+ } >+ static const bool needsDestruction = true; >+ static const bool hasImmortalStructure = true; >+ static void destroy(JSCell*); >+ >+ static Structure* createStructure(VM& vm, JSGlobalObject* globalObject, JSValue prototype) >+ { >+ return Structure::create(vm, globalObject, prototype, TypeInfo(LeafType, StructureFlags), info()); >+ } >+ > // You must hold the lock until after you're done with the iterator. > Map::iterator find(const ConcurrentJITLocker&, StringImpl* key) > { >@@ -433,32 +447,6 @@ public: > return contains(locker, key); > } > >-private: >- Map m_map; >-public: >- mutable ConcurrentJITLock m_lock; >-}; >- >- >-class SharedSymbolTable : public JSCell, public SymbolTable { >-public: >- typedef JSCell Base; >- >- static SharedSymbolTable* create(VM& vm) >- { >- SharedSymbolTable* sharedSymbolTable = new (NotNull, allocateCell<SharedSymbolTable>(vm.heap)) SharedSymbolTable(vm); >- sharedSymbolTable->finishCreation(vm); >- return sharedSymbolTable; >- } >- static const bool needsDestruction = true; >- static const bool hasImmortalStructure = true; >- static void destroy(JSCell*); >- >- static Structure* createStructure(VM& vm, JSGlobalObject* globalObject, JSValue prototype) >- { >- return Structure::create(vm, globalObject, prototype, TypeInfo(LeafType, StructureFlags), info()); >- } >- > bool usesNonStrictEval() { return m_usesNonStrictEval; } > void setUsesNonStrictEval(bool usesNonStrictEval) { m_usesNonStrictEval = usesNonStrictEval; } > >@@ -481,15 +469,11 @@ public: > DECLARE_EXPORT_INFO; > > private: >- SharedSymbolTable(VM& vm) >- : JSCell(vm, vm.sharedSymbolTableStructure.get()) >- , m_parameterCountIncludingThis(0) >- , m_usesNonStrictEval(false) >- , m_captureStart(0) >- , m_captureEnd(0) >- { >- } >+ JS_EXPORT_PRIVATE SymbolTable(VM&); >+ ~SymbolTable(); > >+ Map m_map; >+ > int m_parameterCountIncludingThis; > bool m_usesNonStrictEval; > >@@ -497,6 +481,9 @@ private: > int m_captureEnd; > > std::unique_ptr<SlowArgument[]> m_slowArguments; >+ >+public: >+ mutable ConcurrentJITLock m_lock; > }; > > } // namespace JSC >Index: Source/JavaScriptCore/runtime/VM.cpp >=================================================================== >--- Source/JavaScriptCore/runtime/VM.cpp (revision 159681) >+++ Source/JavaScriptCore/runtime/VM.cpp (working copy) >@@ -245,7 +245,7 @@ VM::VM(VMType vmType, HeapType heapType) > programExecutableStructure.set(*this, ProgramExecutable::createStructure(*this, 0, jsNull())); > functionExecutableStructure.set(*this, FunctionExecutable::createStructure(*this, 0, jsNull())); > regExpStructure.set(*this, RegExp::createStructure(*this, 0, jsNull())); >- sharedSymbolTableStructure.set(*this, SharedSymbolTable::createStructure(*this, 0, jsNull())); >+ symbolTableStructure.set(*this, SymbolTable::createStructure(*this, 0, jsNull())); > structureChainStructure.set(*this, StructureChain::createStructure(*this, 0, jsNull())); > sparseArrayValueMapStructure.set(*this, SparseArrayValueMap::createStructure(*this, 0, jsNull())); > withScopeStructure.set(*this, JSWithScope::createStructure(*this, 0, jsNull())); >Index: Source/JavaScriptCore/runtime/VM.h >=================================================================== >--- Source/JavaScriptCore/runtime/VM.h (revision 159681) >+++ Source/JavaScriptCore/runtime/VM.h (working copy) >@@ -264,7 +264,7 @@ namespace JSC { > Strong<Structure> programExecutableStructure; > Strong<Structure> functionExecutableStructure; > Strong<Structure> regExpStructure; >- Strong<Structure> sharedSymbolTableStructure; >+ Strong<Structure> symbolTableStructure; > Strong<Structure> structureChainStructure; > Strong<Structure> sparseArrayValueMapStructure; > Strong<Structure> withScopeStructure;
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