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A comment on How big are PHP arrays (and values) really?. Parent comment

Re:How big are PHP arrays (and values) really? by legooolas on Friday December 16, 2011 @05:24AM (#3360261)
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...

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