gcc does in some cases but not all (see http://gcc.gnu.org/onlinedocs/gcc-4.1.1/...

		legooolas on Dec 16, 2011 \| parent \| context \| favorite \| on: How big are PHP arrays (and values) really? gcc does in some cases but not all (see http://gcc.gnu.org/onlinedocs/gcc-4.1.1/gcc/Optimize-Options... but not all). Still, the current standard says it's not legal so it seems like a bad idea to rely on undefined behaviour...