}

		// Exclude selectors and qualified identifiers---lexical
		// refs only.  (Ideally, we'd see if the AST parent is a
		// SelectorExpr, but that requires PathEnclosingInterval
		// from golang.org/x/tools/go/ast/astutil.)
		if id.Name == "X" {
			continue
		}

		_, gotObj := inner.LookupParent(id.Name, id.Pos())
		if gotObj != wantObj {
			// Print the scope tree of mainScope in case of error.