[Bug tree-optimization/60452] [4.8/4.9 Regression] wrong code at -O1 on x86_64-linux-gnu (affecting trunk and 4.8.x)

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60452

--- Comment #4 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Perhaps some new flag (MEM access will always fault?) or something similar.