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	extern "C"			extern "C"
	SANITIZER_INTERFACE_ATTRIBUTE			SANITIZER_INTERFACE_ATTRIBUTE
	void __sanitizer_mz_memalign(malloc_zone_t zone, size_t align, size_t size) {			void __sanitizer_mz_memalign(malloc_zone_t zone, size_t align, size_t size) {
	COMMON_MALLOC_ENTER();			COMMON_MALLOC_ENTER();
	COMMON_MALLOC_MEMALIGN(align, size);			COMMON_MALLOC_MEMALIGN(align, size);
	return p;			return p;
	}			}

				// This public API exists purely for testing purposes.
				extern "C"
				SANITIZER_INTERFACE_ATTRIBUTE
				malloc_zone_t* __sanitizer_mz_default_zone() {
				return &sanitizer_zone;
				}

	// This function is currently unused, and we build with -Werror.			// This function is currently unused, and we build with -Werror.
	#if 0			#if 0
	void __sanitizer_mz_free_definite_size(			void __sanitizer_mz_free_definite_size(
	malloc_zone_t* zone, void *ptr, size_t size) {			malloc_zone_t* zone, void *ptr, size_t size) {
	// TODO(glider): check that \|size\| is valid.			// TODO(glider): check that \|size\| is valid.
	UNIMPLEMENTED();			UNIMPLEMENTED();
	}			}
	#endif			#endif
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Add new `__sanitizer_mz_default_zone()` API which returns the address of the ASan malloc zone. This API will be used for testing in future patches.ClosedPublic