https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62088
Andrew Pinski <pinskia at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Target| |x86_64-apple-darwin11.4.2 Status|UNCONFIRMED |WAITING Last reconfirmed| |2016-08-27 Ever confirmed|0 |1 --- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> --- Sounds like the library paths are not being setup correctly. Most likely in the case of -fsanitize=address, you need to do make install before running the testsuite because the paths are not going to include where libasan is located in the build directory.