http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48659
--- Comment #3 from Daniel Starke <daniel.f.starke at freenet dot de> 2013-01-28 11:53:14 UTC --- I can confirm this bug for gcc 4.7.2 mingw64. The -mstackrealign command-line flag can be used as workaround as described on http://stackoverflow.com/questions/6716654/segmentation-fault-using-openmp-and-sse until this bug is properly patched.
