http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56826
--- Comment #1 from Yuri Rumyantsev <ysrumyan at gmail dot com> 2013-04-03 09:48:59 UTC --- Created attachment 29789 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=29789 test-case to reproduce To reproduce tha failure the test must be compiled on x86 corei7 with the following options: -O3 -funroll-loops -ffast-math -march=corei7