151160 2015-11-11 15:18:50 -0800 Class's __proto__ should not be writable 2015-12-16 14:21:32 -0800 1 1 1 Unclassified WebKit JavaScriptCore WebKit Nightly Build Unspecified Unspecified RESOLVED INVALID P2 Normal --- 140491 1 rniwa webkit-unassigned keith_miller saam ysuzuki oldest_to_newest 1141246 0 rniwa 2015-11-11 15:18:50 -0800 Fix the FIXME in ClassExprNode::emitBytecode: // FIXME: Make the prototype non-configurable & non-writable. 1141247 1 rniwa 2015-11-11 15:19:50 -0800 class A {} class B extends A { constructor() { super(); } } new B; class C { constructor() { alert('FAIL') } } B.__proto__ = C; new B; should never alert FAIL. 1149750 2 keith_miller 2015-12-16 14:21:08 -0800 This is not valid anymore in the spec so... closing 1149751 3 keith_miller 2015-12-16 14:21:32 -0800 err... valid => true