const syscall.shift

4 uses

	syscall (current package)
		syscall_linux.go#L458: 	shift   = 8
		syscall_linux.go#L475: 	return int(w>>shift) & 0xFF
		syscall_linux.go#L489: 	return Signal(w>>shift) & 0xFF
		syscall_linux.go#L496: 	return int(w>>shift) >> 8