Fix for searching LocalVariableElement of DeclaredIdentifier.

pkg/analysis_server/test/services/search/search_engine_test.dart

 // Copyright (c) 2014, 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.
 
 library test.services.src.search.search_engine_internal;
 
 import 'dart:async';
 
 import 'package:analysis_server/src/services/index/index.dart';
 import 'package:analysis_server/src/services/search/search_engine.dart';
@@ skipping 507 matching lines @@
     Element mainElement = findElement('main');
     var expected = [
       _expectId(mainElement, MatchKind.WRITE, 'v = 1;'),
       _expectId(mainElement, MatchKind.READ_WRITE, 'v += 2;'),
       _expectId(mainElement, MatchKind.READ, 'v);'),
       _expectId(mainElement, MatchKind.INVOCATION, 'v();')
     ];
     await _verifyReferences(element, expected);
   }
 
+  test_searchReferences_LocalVariableElement_inForEachLoop() async {
+    _indexTestUnit('''
+main() {
+  for (var v in []) {
+    v = 1;
+    v += 2;
+    print(v);
+    v();
+  }
+}
+''');
+    LocalVariableElement element = findElement('v');
+    Element mainElement = findElement('main');
+    var expected = [
+      _expectId(mainElement, MatchKind.WRITE, 'v = 1;'),
+      _expectId(mainElement, MatchKind.READ_WRITE, 'v += 2;'),
+      _expectId(mainElement, MatchKind.READ, 'v);'),
+      _expectId(mainElement, MatchKind.INVOCATION, 'v();')
+    ];
+    await _verifyReferences(element, expected);
+  }
+
   test_searchReferences_MethodElement() async {
     _indexTestUnit('''
 class A {
   m() {}
   main() {
     m(); // 1
     this.m(); // 2
     print(m); // 3
     print(this.m); // 4
   }
@@ skipping 338 matching lines @@
     List<SearchMatch> matches = await searchEngine.searchReferences(element);
     _assertMatches(matches, expectedMatches);
     expect(matches, hasLength(expectedMatches.length));
   }
 
   static void _assertMatches(
       List<SearchMatch> matches, List<ExpectedMatch> expectedMatches) {
     expect(matches, unorderedEquals(expectedMatches));
   }
 }