[Bug tree-optimization/59358] [4.8/4.9 Regression] Infinite loop generated with >=O2

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59358

--- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Started with r188776 or r188780.