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.
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.