Issue 25515. Don't incrementally resolve if a constructor initializer is changed.

pkg/analyzer/test/generated/incremental_resolver_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 analyzer.test.generated.incremental_resolver_test;
 
 import 'package:analyzer/dart/ast/ast.dart';
 import 'package:analyzer/dart/element/element.dart';
 import 'package:analyzer/src/context/cache.dart';
 import 'package:analyzer/src/dart/ast/utilities.dart';
@@ skipping 3898 matching lines @@
   const C(this.x);
   const C.foo() : x = 1;
 }
 main() {
   const {const C(0): 0, const C.foo(): 1};
 }
 ''',
         expectedSuccess: false);
   }
 
-  void test_false_constructor_initializer() {
+  void test_false_constructor_initializer_damage() {
     _resolveUnit(r'''
 class Problem {
   final Map location;
   final String message;
 
   Problem(Map json)
       : location = json["location"],
         message = json["message"];
 }''');
     _updateAndValidate(
         r'''
 class Problem {
   final Map location;
   final String message;
 
   Problem(Map json)
       : location = json["location],
         message = json["message"];
 }''',
         expectedSuccess: false);
   }
 
+  void test_false_constructor_initializer_remove() {
+    _resolveUnit(r'''
+class Problem {
+  final String severity;
+  final Map location;
+  final String message;
+
+  Problem(Map json)
+      : severity = json["severity"],
+        location = json["location"],
+        message = json["message"];
+}''');
+    _updateAndValidate(
+        r'''
+class Problem {
+  final String severity;
+  final Map location;
+  final String message;
+
+  Problem(Map json)
+      : severity = json["severity"],
+        message = json["message"];
+}''',
+        expectedSuccess: false);
+  }
+
   void test_false_endOfLineComment_localFunction_inTopLevelVariable() {
     _resolveUnit(r'''
 typedef int Binary(one, two, three);
 
 int Global = f((a, b, c) {
   return 0; // Some comment
 });
 ''');
     _updateAndValidate(
         r'''
@@ skipping 1150 matching lines @@
   @override
   void logException(Object exception, [Object stackTrace]) {
     hasError = true;
   }
 
   @override
   logging.LoggingTimer startTimer() {
     return new logging.LoggingTimer(this);
   }
 }