Marco Fabbricatore <[EMAIL PROTECTED]>, [EMAIL PROTECTED] schrieb am 05.01.05 14:08:32:
> Package: gcc > Version: 2.95.4 20011002 > > following function compiled w/ gcc -O > > int foo(unsigned int a) > { > if(a * sizeof(int) / sizeof(int) != a) > return -1; > return 0; > } > > gcc optimizes the arithmetic overflow check away! Indeed. This is fixed in the 3.x series. I suggest upgrading, since it seems unlikely that somebody will find and backport the fix... Falk