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On Wed, May 15, 2013 at 8:31 PM, Richard Smith <richard at metafoo.co.uk>wrote: > Hi, > > LLVM classifies _Znwm as a builtin by default. After some discussion, the > C++ core working group have decreed that that is not correct: calls to > "operator new" *can* be optimized, but only if they come from > new-expressions, and not if they come from explicit calls to

Hi, LLVM classifies _Znwm as a builtin by default. After some discussion, the C++ core working group have decreed that that is not correct: calls to "operator new" *can* be optimized, but only if they come from new-expressions, and not if they come from explicit calls to ::operator new. We cannot work around this in the frontend by marking the call as 'nobuiltin' for two

...new-expressions. Suggested transition plan: 1) add 'builtin' attribute 2) make Clang use it 3) make _Znwm and friends not be implicitly builtin -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.llvm.org/pipermail/llvm-dev/attachments/20130515/5804e1dd/attachment.html>