Report info messages together with their error, warning, or hint.

pkg/compiler/lib/src/serialization/modelz.dart

 // Copyright (c) 2015, 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.
 
 /// Implementation of the element model used for deserialiation.
 ///
 /// These classes are created by [ElementDeserializer] triggered by the
 /// [Deserializer].
 
 library dart2js.serialization.modelz;
@@ skipping 68 matching lines @@
 
   @override
   CompilationUnitElement get compilationUnit {
     return _unsupported('compilationUnit');
   }
 
   @override
   ClassElement get contextClass => _unsupported('contextClass');
 
   @override
-  void diagnose(Element context, DiagnosticListener listener) {
-    _unsupported('diagnose');
-  }
-
-  @override
   ClassElement get enclosingClass => null;
 
   @override
   Element get enclosingClassOrCompilationUnit {
     return _unsupported('enclosingClassOrCompilationUnit');
   }
 
   @override
   String get fixedBackendName => _unsupported('fixedBackendName');
 
@@ skipping 1466 matching lines @@
   }
 
   @override
   ElementKind get kind => ElementKind.PREFIX;
 
   @override
   Element lookupLocalMember(String memberName) {
     return _unsupported('lookupLocalMember');
   }
 }