[Bug tree-optimization/58277] [4.7/4.8/4.9 Regression] wrong code at -O3

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58277

--- Comment #6 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
But, skimming through the dumps, it looks like it is the strlen pass that
removes the important n = 0; store.