2012-11-22 Dmitry Vyukov <dvyukov@google.com>

2012-11-22  Dmitry Vyukov  <dvyukov@google.com>
	    Wei Mi  <wmi@google.com>

	* builtins.def (DEF_SANITIZER_BUILTIN): Define tsan builtins.
	* sanitizer.def: Ditto.
	* Makefile.in (tsan.o): Add tsan.o target.
	(BUILTINS_DEF): Add sanitizer.def.
	* passes.c (init_optimization_passes): Add tsan passes.
	* tree-pass.h (register_pass_info): Ditto.
	* toplev.c (compile_file): Ditto.
	* doc/invoke.texi: Document tsan related options.
	* gcc.c (LINK_COMMAND_SPEC): Add LIBTSAN_SPEC in link command if
	-fsanitize=thread.
	* tsan.c: New file about tsan.
	* tsan.h: Ditto.
	* common.opt: Add -fsanitize=thread.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@193736 138bc75d-0d04-0410-961f-82ee72b054a4