http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60088
--- Comment #11 from Jacob Abel <thatcadguy at gmail dot com> --- The culprit that -march=native activates on my Core i7 laptop is -mavx. Compiling with -mavx causes the segfault, without is fine. Unfortunately, that flag was not set on my other laptop, so might be multiple issues here.
