------- Comment #4 from ebotcazou at gcc dot gnu dot org 2009-10-31 09:38
-------
> Thanks for your quick response. I would like to point out that on every
> compiler and machine I've used, the behavior of signed overflow may not be
> defined -- but it's always been consistent.
Consistency on undefined behavior is not mandated (it's a tautology) and would
have a substantial cost. You can use -Wstrict-overflow to detect these cases.
--
ebotcazou at gcc dot gnu dot org changed:
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CC| |ebotcazou at gcc dot gnu dot
| |org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41882
