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

[ismail at pardus dot org dot tr]

------- Comment #5 from ismail at pardus dot org dot tr  2007-12-13 20:48 
-------
Guido agreed on using -fwrapv hence a patch submitted, thanks for the
diagnosis.


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