[Bug rtl-optimization/48774] [4.6/4.7 Regression] gcc-4.6.0 optimization regression on x86_64-unknown-linux-gnu

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48774

--- Comment #4 from Richard Guenther <rguenth at gcc dot gnu.org> 2011-04-28 
10:02:22 UTC ---
The code is fine with -fno-strict-aliasing, so I doubt that.  Just -fno-gcse
also doesn't fix it (nor does -fno-schedule-insns2, the usual RTL alias
related miscompiler).