// TODO(gri) A found method may not be added because it's not in the method set
		// (!indirect && f.hasPtrRecv()). A 2nd method on the same level may be in the method
		// set and may not collide with the first one, thus leading to a false positive.
		// Is that possible? Investigate.
		if _, found := s[key]; !found && (indirect || !f.hasPtrRecv()) {
			s[key] = &Selection{MethodVal, nil, f, index, indirect}
			return s
		}
	}