Comment #16 on issue 505 by [email protected]: Implement function denesting optimization
http://code.google.com/p/v8/issues/detail?id=505

But how does that function produce different results?

var fn = <your example>

for (;;) {
  call_fn( fn );
}

from,

for (;;) {
  call_fn( function (f) {<your example>} );
}

re: It is irrelevant if call_fn has non-local variables or not.

That's not true. If you're compiling functions that close over non-local variables than reification depends on context. If not all functions can be first class citizens, and without IO they'd all return the same result. This request was to *not* to redefine functions that don't actually close-over anything. I'm not sure that you're that you're wrong. That there is some concrete reason why a function lacking non-local variables can't be elevated to a first-class function. I would just love to see an example, and I'm not sure what proof you're requesting.

Maybe this should be closed as Wont Fix, not Working As Intended.

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