const unicode/utf8.hiBits

7 uses

	unicode/utf8 (current package)
		utf8.go#L460: const hiBits = 0x8080808080808080 >> (64 - 8*ptrSize)
		utf8.go#L484: 			if len(p) > ptrSize && word(p)&hiBits == 0 {
		utf8.go#L486: 				if len(p) > 2*ptrSize && (word(p)|word(p[ptrSize:]))&hiBits == 0 {
		utf8.go#L488: 					for len(p) > 4*ptrSize && ((word(p)|word(p[ptrSize:]))|(word(p[2*ptrSize:])|word(p[3*ptrSize:])))&hiBits == 0 {
		utf8.go#L531: 			if len(s) > ptrSize && word(s)&hiBits == 0 {
		utf8.go#L533: 				if len(s) > 2*ptrSize && (word(s)|word(s[ptrSize:]))&hiBits == 0 {
		utf8.go#L535: 					for len(s) > 4*ptrSize && ((word(s)|word(s[ptrSize:]))|(word(s[2*ptrSize:])|word(s[3*ptrSize:])))&hiBits == 0 {

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