gcc/

	* asan.h (ASAN_STACK_MAGIC_PARTIAL): Remove.
	* asan.c (ASAN_STACK_MAGIC_PARTIAL): Replace with
	ASAN_STACK_MAGIC_MIDDLE.
	(asan_global_struct): Increase the size of fields.
	(asan_add_global): Add new field constructor.
	* sanitizer.def (__asan_version_mismatch_check_v6): Replace with
	__asan_version_mismatch_check_v8.

gcc/testsuite/

	* c-c++-common/asan/null-deref-1.c: Adjust testcase.

From-SVN: r241983