[Bug rtl-optimization/27761] combine miscompiles

[pinskia at gcc dot gnu dot org]

------- Comment #2 from pinskia at gcc dot gnu dot org  2006-05-24 18:19 -------
> For the same reason __builtin_offsetof also hides the bug.  
Because it gets lowered correctly to a constant while 
"(intptr_t)(&(((struct A*)0x0)->mem1) )" is not a constant.

Why is someone using that method of offsetof?


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=27761