Comment #18 on issue 505 by [email protected]: Implement function
denesting optimization
http://code.google.com/p/v8/issues/detail?id=505
That *is* true: Functions are just objects (which you can call, but that's
totally irrelevant for the discussion) which have identity, so you can do
things like:
function foo() { return 42; }
foo[7] = "blah";
Statically proving that identity is irrelevant is impossible in JavaScript,
so the proposed transformation is wrong. If you somehow mangle your whole
program and add tons of dynamic checks like the ones proposed above, you
can do some tricks, but it is far from clear if and when this is a clear
win (most of the time it probably won't).
Regarding "WorkingAsIntended": Alas, we don't have a "WontFix", and WAI
means "We decided to not take action on this issue".
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