http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47538 --- Comment #3 from Jack Howarth <howarth at nitro dot med.uc.edu> 2011-01-30 02:03:17 UTC --- On x86_64 linux, gsl-1.14/eigen/herm.c is also miscompiled at optimizations above -O0.