const runtime.asanenabledBit

3 uses

	runtime (current package)
		asan0.go#L16: const asanenabledBit = 0
		mgc.go#L1426: const gcBgMarkWorkerNodeRedZoneSize = (16 << 2) * asanenabledBit // redZoneSize(512)
		runtime2.go#L630: const mRedZoneSize = (16 << 3) * asanenabledBit // redZoneSize(2048)