2014-10-01  Andrew Pinski  <apinski@cavium.com>
            Max Ostapenko  <m.ostapenko@partner.samsung.com>

	* lib/ubsan-dg.exp
	(check_effective_target_fsanitize_address): New function.
	(ubsan_init): Save off ALWAYS_CXXFLAGS.
	(ubsan_finish): Restore ALWAYS_CXXFLAGS correctly.
	* lib/asan-dg.exp
	(check_effective_target_faddress_sanitizer): Rename to ...
	(check_effective_target_fsanitize_address): ... this. Change to creating
	an executable.
	(asan_init): Save off ALWAYS_CXXFLAGS.
	(asan_finish): Restore ALWAYS_CXXFLAGS correctly.
	* lib/tsan-dg.exp
	(check_effective_target_fthread_sanitizer): Rename to ...
	(check_effective_target_fsanitize_thread): ... this. Change to creating
	an executable.
	(tsan_init): Save off ALWAYS_CXXFLAGS.
	(tsan_finish): Restore ALWAYS_CXXFLAGS correctly. Set dg-do-what-default
	to run as a default behaviour.
	* gcc.dg/ubsan/ubsan.exp: Don't check the return value of ubsan_init.
	Check check_effective_target_fsanitize_undefined before running the
	tests.
	* g++.dg/ubsan/ubsan.exp: Likewise.
	* gcc.dg/asan/asan.exp: Don't check the return value of asan_init.
	check_effective_target_fsanitize_address too early.
	Check check_effective_target_fsanitize_address before running the tests.
	* g++.dg/asan/asan.exp: Likewise.
	* gcc.dg/tsan/tsan.exp: Don't check the return value of tsan_init.
	check_effective_target_fsanitize_thread too early.
	Check check_effective_target_fsanitize_thread before running the tests.
	* g++.dg/tsan/tsan.exp: Likewise.

Co-Authored-By: Max Ostapenko <m.ostapenko@partner.samsung.com>

From-SVN: r215793