const go/types.UntypedRune

7 uses

	go/types (current package)
		basic.go#L36: 	UntypedRune
		expr.go#L669: 		case UntypedInt, UntypedRune, UntypedFloat, UntypedComplex:
		operand.go#L205: 		kind = UntypedRune
		predicates.go#L458: 		case UntypedRune:
		universe.go#L62: 	UntypedRune:    {UntypedRune, IsInteger | IsUntyped, "untyped rune"},

	golang.org/x/tools/internal/gcimporter
		bimport.go#L1030: 			types.Typ[types.UntypedRune],