Fix handling of identifier sequences starting with a function parameter.

pkg/analyzer/test/src/summary/linker_test.dart

 // Copyright (c) 2016, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 import 'package:analyzer/dart/element/type.dart';
 import 'package:analyzer/src/dart/element/element.dart';
 import 'package:analyzer/src/summary/format.dart';
 import 'package:analyzer/src/summary/idl.dart';
 import 'package:analyzer/src/summary/link.dart';
 import 'package:unittest/unittest.dart';
@@ skipping 180 matching lines @@
     addBundle(bundle);
     createLinker('''
 import 'a.dart';
 var y = x;
 ''');
     LibraryElementForLink library = linker.getLibrary(linkerInputs.testDartUri);
     expect(_getVariable(library.getContainedName('y')).inferredType.toString(),
         '() → dynamic');
   }
 
+  void test_inferredType_closure_fromBundle_identifierSequence() {
+    var bundle = createPackageBundle(
+        '''
+class C {
+  static final x = (D d) => d.e;
+}
+class D {
+  E e;
+}
+class E {}
+''',
+        path: '/a.dart');
+    addBundle(bundle);
+    createLinker('''
+import 'a.dart';
+var y = C.x;
+''');
+    LibraryElementForLink library = linker.getLibrary(linkerInputs.testDartUri);
+    expect(_getVariable(library.getContainedName('y')).inferredType.toString(),
+        '(D) → E');
+  }
+
   void test_inferredType_instanceField_dynamic() {
     createLinker('''
 var x;
 class C {
   var f = x; // Inferred type: dynamic
 }
 ''');
     LibraryElementForLink library = linker.getLibrary(linkerInputs.testDartUri);
     library.libraryCycleForLink.ensureLinked();
     ClassElementForLink_Class cls = library.getContainedName('C');
@@ skipping 566 matching lines @@
     PropertyAccessorElementForLink_Variable j = library.getContainedName('j');
     expect(j.variable.initializer, isNull);
     PropertyAccessorElementForLink_Variable v = library.getContainedName('v');
     expect(v.variable.initializer, isNotNull);
   }
 
   VariableElementForLink _getVariable(ReferenceableElementForLink element) {
     return (element as PropertyAccessorElementForLink_Variable).variable;
   }
 }