http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23047

Paolo Bonzini <bonzini at gnu dot org> changed:

           What    |Removed                     |Added
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                 CC|                            |bonzini at gnu dot org
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--- Comment #8 from Paolo Bonzini <bonzini at gnu dot org> 2010-11-03 18:51:46 
UTC ---
flag_wrapv should not be respected by combine because PLUS/MINUS in RTL should
_always_ have wrapping semantics.

The right place for this optimization is in fold-const.c, especially in the
current GCC world.

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