Allow closures inside lazy initializers.

lib/compiler/implementation/elements/elements.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.
 
 #library('elements');
 
 #import('dart:uri');
 
 // TODO(ahe): Rename prefix to 'api' when VM bug is fixed.
 #import('../../compiler.dart', prefix: 'api_e');
@@ skipping 229 matching lines @@
     return token;
   }
 
   // TODO(kasperl): This is a very bad hash code for the element and
   // there's no reason why two elements with the same name should have
   // the same hash code. Replace this with a simple id in the element?
   int hashCode() => name === null ? 0 : name.hashCode();
 
   CompilationUnitElement getCompilationUnit() {
     Element element = this;
-    while (element !== null && !element.isCompilationUnit()) {
-      if (element.isLibrary()) {
-        LibraryElement library = element;
-        return library.entryCompilationUnit;
-      }
+    while (!element.isCompilationUnit()) {
       element = element.enclosingElement;
     }
     return element;
   }
 
   LibraryElement getLibrary() => enclosingElement.getLibrary();
 
   LibraryElement getImplementationLibrary() {
     Element element = this;
     while (element.kind !== ElementKind.LIBRARY) {
@@ skipping 342 matching lines @@
       origin.patch = this;
     }
   }
 
   bool get isPatched => patch !== null;
   bool get isPatch => origin !== null;
 
   LibraryElement get declaration => super.declaration;
   LibraryElement get implementation => super.implementation;
 
+  CompilationUnitElement getCompilationUnit() => entryCompilationUnit;
+
   void addCompilationUnit(CompilationUnitElement element) {
     compilationUnits = compilationUnits.prepend(element);
   }
 
   void addTag(LibraryTag tag, DiagnosticListener listener) {
     tags = tags.prepend(tag);
   }
 
   /**
    * Adds [element] to the import scope of this library.
@@ skipping 1320 matching lines @@
 
   MetadataAnnotation ensureResolved(Compiler compiler) {
     if (resolutionState == STATE_NOT_STARTED) {
       compiler.resolver.resolveMetadataAnnotation(this);
     }
     return this;
   }
 
   String toString() => 'MetadataAnnotation($value, $resolutionState)';
 }