[Bug tree-optimization/53805] combine_comparisons changes trapping behavior

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53805

Jakub Jelinek <jakub at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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                 CC|                            |jakub at gcc dot gnu.org

--- Comment #8 from Jakub Jelinek <jakub at gcc dot gnu.org> 2012-07-02 07:27:40 UTC ---
Integer 1 / 0 is undefined behavior, so it is fine to optimize that away.
But floating point traps with -ftrapping-math aren't undefined behavior.