[Bug c++/54741] GCC 4.4, 4.5, 4.6 4.7 (probably 4.8) Generates un-usable code on AVX supported CPUs (FreeBSD)

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54741

--- Comment #3 from Richard Guenther <rguenth at gcc dot gnu.org> 2012-10-01 10:20:43 UTC ---
use disassemble from inside gdb and look for the faulting instruction.