func go/constant.is63bit

5 uses

	go/constant (current package)
		value.go#L949: func is63bit(x int64) bool {
		value.go#L1125: 			if !is63bit(a) || !is63bit(b) {
		value.go#L1130: 			if !is63bit(a) || !is63bit(b) {