http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54836
--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> 2012-10-06 17:53:45 UTC --- configure:14187: /Users/lizhou/Downloads/gcc-4.4.7/host-x86_64-apple-darwin12.2.0/gcc/gfortran -B/Users/lizhou/Downloads/gcc-4.4.7/host-x86_64-apple-darwin12.2.0/gcc/ -B/Users/lizhou/x86_64-apple-darwin12.2.0/bin/ -B/Users/lizhou/x86_64-apple-darwin12.2.0/lib/ -isystem /Users/lizhou/x86_64-apple-darwin12.2.0/include -isystem /Users/lizhou/x86_64-apple-darwin12.2.0/sys-include -c -g -O2 conftest.f >&5 f951: internal compiler error: Segmentation fault: 11 Please submit a full bug report, with preprocessed source if appropriate. See <http://gcc.gnu.org/bugs.html> for instructions.