http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55599
--- Comment #1 from Jack Howarth <howarth at nitro dot med.uc.edu> 2012-12-05 00:07:04 UTC --- I assume that the mechanism for mac function imposition prohibits the use of a static libasan? If so we should remove the support for -static-libasan from gcc/config/darwin.h.