Issue 13584. Fix for Java/Dart local variable scoping mismatch.

pkg/analyzer_experimental/lib/src/generated/error.dart

 // This code was auto-generated, is not intended to be edited, and is subject to
 // significant change. Please see the README file for more information.
 library engine.error;
 import 'java_core.dart';
 import 'source.dart';
 import 'ast.dart' show ASTNode;
 import 'scanner.dart' show Token;
 /**
  * Instances of the enumeration `ErrorSeverity` represent the severity of an [ErrorCode]
  * .
@@ skipping 188 matching lines @@
   void reportError4(ErrorCode errorCode, Token token, List<Object> arguments) {
     reportError3(errorCode, token.offset, token.length, arguments);
   }
 
   /**
    * Set the source to be used when reporting errors. Setting the source to `null` will cause
    * the default source to be used.
    *
    * @param source the source to be used when reporting errors
    */
-  void set source(Source source2) {
-    this._source = source2 == null ? _defaultSource : source2;
+  void set source(Source source) {
+    this._source = source == null ? _defaultSource : source;
   }
 }
 /**
  * Instances of the class `AnalysisError` represent an error discovered during the analysis of
  * some Dart code.
  *
  * @see AnalysisErrorListener
  * @coverage dart.engine.error
  */
 class AnalysisError {
@@ skipping 3140 matching lines @@
    */
   StaticTypeWarningCode.con2(String name, int ordinal, String message, String correction) : super(name, ordinal) {
     this._message = message;
     this.correction6 = correction;
   }
   String get correction => correction6;
   ErrorSeverity get errorSeverity => ErrorType.STATIC_TYPE_WARNING.severity;
   String get message => _message;
   ErrorType get type => ErrorType.STATIC_TYPE_WARNING;
 }