const golang.org/x/text/unicode/norm.recompShift

4 uses

	golang.org/x/text/unicode/norm (current package)
		forminfo.go#L200: const recompShift = 21
		forminfo.go#L208: 		recompMap[e>>recompShift] = rune(e & (1<<recompShift - 1))
		forminfo.go#L217: 	key := uint64(a)<<recompShift | uint64(b)