const internal/types/errors.InvalidSliceExpr

3 uses

	internal/types/errors (current package)
		code_string.go#L65: 	_ = x[InvalidSliceExpr-55]
		codes.go#L524: 	InvalidSliceExpr

	go/types
		index.go#L233: 				check.error(at, InvalidSliceExpr, invalidOp+"3-index slice of string")