http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55599
--- Comment #2 from Alexander Potapenko <glider at google dot com> 2012-12-05 01:07:36 UTC --- Not that it prohibits the use of static ASan, they just currently can't coexist in a single program with the current setup. It is theoretically possible to have them both, although we definitely do not want to. I'm guessing that the link problems have been caused by the removal of mach_override from the tree.