RESOLVED INVALID 151160
Class's __proto__ should not be writable 
https://bugs.webkit.org/show_bug.cgi?id=151160
Summary Class's __proto__ should not be writable
Ryosuke Niwa
Reported 2015-11-11 15:18:50 PST
Fix the FIXME in ClassExprNode::emitBytecode: // FIXME: Make the prototype non-configurable & non-writable.
Attachments
Add attachment proposed patch, testcase, etc.
Ryosuke Niwa
Comment 1 2015-11-11 15:19:50 PST
class A {} class B extends A { constructor() { super(); } } new B; class C { constructor() { alert('FAIL') } } B.__proto__ = C; new B; should never alert FAIL.
Keith Miller
Comment 2 2015-12-16 14:21:08 PST
This is not valid anymore in the spec so... closing
Keith Miller
Comment 3 2015-12-16 14:21:32 PST
err... valid => true
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