[Bug middle-end/34454] [4.3 regression] Overflow check is optimized away when -O2 is enabled

[pinskia at gcc dot gnu dot org]

------- Comment #2 from pinskia at gcc dot gnu dot org  2007-12-13 19:37 -------
Or use unsigned types to do the addition.


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34454