http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55679
--- Comment #8 from Jack Howarth <howarth at nitro dot med.uc.edu> 2012-12-14 00:36:10 UTC --- The g++.dg/asan/interception-test-1.C test should have... // { dg-skip-if "" { { *-*-darwin* } { "*" } { "" } } since darwin uses mac function interposition rather than interception.