http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59275
--- Comment #4 from Kostya Serebryany <kcc at gcc dot gnu.org> --- > Seems as if the page has changed. Currently, invoke.texi points to: > http://code.google.com/p/data-race-test/wiki/ThreadSanitizer Link to data-race-test was never correct. This is the old and unsupported version of the tool -- it was never part of gcc or llvm.