Generate needed classes for constant maps in metadata.

sdk/lib/_internal/compiler/implementation/resolution/members.dart

 // Copyright (c) 2012, 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.
 
 part of resolution;
 
 abstract class TreeElements {
   AnalyzableElement get analyzedElement;
   Iterable<Node> get superUses;
 
@@ skipping 1389 matching lines @@
       ResolutionRegistry registry = visitor.registry;
       node.accept(visitor);
       // TODO(johnniwinther): Avoid passing the [TreeElements] to
       // [compileMetadata].
       annotation.value =
           constantCompiler.compileMetadata(annotation, node, registry.mapping);
       // TODO(johnniwinther): Register the relation between the annotation
       // and the annotated element instead. This will allow the backend to
       // retrieve the backend constant and only register metadata on the
       // elements for which it is needed. (Issue 17732).
-      registry.registerMetadataConstant(annotation.value, annotatedElement);
+      registry.registerMetadataConstant(annotation, annotatedElement);
       annotation.resolutionState = STATE_DONE;
     }));
   }
 
   error(Spannable node, MessageKind kind, [arguments = const {}]) {
     // TODO(ahe): Make non-fatal.
     compiler.reportFatalError(node, kind, arguments);
   }
 
   Link<MetadataAnnotation> resolveMetadata(Element element,
@@ skipping 3532 matching lines @@
 }
 
 /// The result for the resolution of the `assert` method.
 class AssertResult implements ResolutionResult {
   const AssertResult();
 
   Element get element => null;
 
   String toString() => 'AssertResult()';
 }