var runtime.extraMCount

6 uses

	runtime (current package)
		proc.go#L1837: 	extraMCount--
		proc.go#L1931: 	extraMCount++
		proc.go#L1978: 	extraMCount++
		proc.go#L1995: var extraMCount uint32 // Protected by lockextra
		proc.go#L4960: 		haveExtraM := extraMCount > 0
		signal_unix.go#L760: 		if crashing < mcount()-int32(extraMCount) {