http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56454
--- Comment #2 from Kostya Serebryany <kcc at gcc dot gnu.org> 2013-02-26 07:19:00 UTC --- Long story short: we needed to unify the names for asan/tsan/msan attributes. Now they are called no_sanitize_address no_sanitize_thread no_sanitize_memory Lengthy discussion: http://clang-developers.42468.n3.nabble.com/clang-attributes-to-disable-asan-tsan-msan-td4030472.html
