[Bug tree-optimization/58830] [4.8 Regression] wrong code at -O3 on x86_64-linux-gnu (affecting 4.8.x, but not trunk or 4.7.x)

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58830

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Depends on|                            |57488

--- Comment #4 from Richard Biener <rguenth at gcc dot gnu.org> ---
Fails with -O2 -ftree-partial-pre.  Scratches head.  -> PR57488

And yes, backporting this fix fixes the bug.  Hah.