const syscall.shift

4 uses

	syscall (current package)
		syscall_linux.go#L334: 	shift   = 8
		syscall_linux.go#L351: 	return int(w>>shift) & 0xFF
		syscall_linux.go#L365: 	return Signal(w>>shift) & 0xFF
		syscall_linux.go#L372: 	return int(w>>shift) >> 8