[Webkit-unassigned] [Bug 145605] Function.prototype.bind: Bound functions must use the [[Prototype]] of their target function instead of Function.prototype

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=145605

Geoffrey Garen <ggaren at apple.com> changed:

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--- Comment #9 from Geoffrey Garen <ggaren at apple.com> ---
Comment on attachment 260799
  --> https://bugs.webkit.org/attachment.cgi?id=260799
Patch

View in context: https://bugs.webkit.org/attachment.cgi?id=260799&action=review

> Source/JavaScriptCore/runtime/JSBoundFunction.cpp:83
>      JSBoundFunction* function = new (NotNull, allocateCell<JSBoundFunction>(vm.heap)) JSBoundFunction(vm, globalObject, globalObject->boundFunctionStructure(), targetFunction, boundThis, boundArgs);

You can see that this code believed it could share a structure between all bound functions in a global object. Your patch makes that fact no longer true. It would be preferable to remove the old code, which attempted to share a structure, and simply allocate a new structure explicitly here.

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