[Bug middle-end/66253] [6 Regression] 459.GemsFDTD in SPEC CPU 2006 is miscompiled

[matz at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66253

--- Comment #3 from Michael Matz <matz at gcc dot gnu.org> ---
Can you check if the patch at
  https://gcc.gnu.org/ml/gcc-patches/2015-05/msg02133.html
helps also gemsfdtd?