2013-05-06  Christophe Lyon  <christophe.lyon@linaro.org>

	gcc/
	* config/arm/arm.c (arm_asan_shadow_offset): New function.
	(TARGET_ASAN_SHADOW_OFFSET): Define.
	* config/arm/linux-eabi.h (ASAN_CC1_SPEC): Define.
	(LINUX_OR_ANDROID_CC): Add ASAN_CC1_SPEC.

	libsanitizer/
	* configure.tgt: Add ARM pattern.

	testsuite/
	* lib/target-supports.exp (check_effective_target_hw): New
	function.
	* c-c++-common/asan/clone-test-1.c: Call
	check_effective_target_hw.
	* c-c++-common/asan/rlimit-mmap-test-1.c: Likewise.
	* c-c++-common/asan/heap-overflow-1.c: Update regexps to accept
	possible decorations.
	* c-c++-common/asan/null-deref-1.c: Likewise.
	* c-c++-common/asan/stack-overflow-1.c: Likewise.
	* c-c++-common/asan/strncpy-overflow-1.c: Likewise.
	* c-c++-common/asan/use-after-free-1.c: Likewise.
	* g++.dg/asan/deep-thread-stack-1.C: Likewise.
	* g++.dg/asan/large-func-test-1.C: Likewise.

From-SVN: r198683