[Bug tree-optimization/61576] [4.10 Regression] wrong code at -O3 on x86_64-linux-gnu

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61576

--- Comment #2 from Richard Biener <rguenth at gcc dot gnu.org> ---
Hmm, but it doesn't do any PHI hoisting.  -fno-tree-loop-if-convert fixes it,
-O2 -ftree-loop-if-convert breaks it.