[Bug rtl-optimization/58831] [4.8/4.9 Regression] wrong code at -O2 and -O3 on x86_64-linux-gnu in 64-bit mode

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58831

--- Comment #11 from Richard Biener <rguenth at gcc dot gnu.org> ---
*** Bug 58685 has been marked as a duplicate of this bug. ***