const internal/strconv.host64bit

3 uses

	internal/strconv (current package)
		itoa.go#L167: const host64bit = ^uint(0)>>32 != 0
		itoa.go#L198: 	for (host64bit && u>>29 != 0) || (!host64bit && uint32(u)>>29|uint32(u>>32) != 0) {