Incremental compilation of new lazy statics.

dart/pkg/dart2js_incremental/lib/caching_compiler.dart

 // Copyright (c) 2013, 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 dart2js_incremental;
 
 /// Do not call this method directly. It will be made private.
 // TODO(ahe): Make this method private.
 Future<Compiler> reuseCompiler(
     {DiagnosticHandler diagnosticHandler,
@@ skipping 49 matching lines @@
         inputProvider,
         outputProvider,
         diagnosticHandler,
         libraryRoot,
         packageRoot,
         options,
         environment);
     JavaScriptBackend backend = compiler.backend;
 
     // Much like a scout, an incremental compiler is always prepared. For
-    // mixins, at least.
-    backend.emitter.oldEmitter.needsMixinSupport = true;
+    // mixins, classes, and lazy statics, at least.
+    backend.emitter.oldEmitter
+        ..needsDefineClass = true
+        ..needsMixinSupport = true
+        ..needsLazyInitializer = true;
 
     Uri core = Uri.parse("dart:core");
     return compiler.libraryLoader.loadLibrary(core).then((_) {
       // Likewise, always be prepared for runtimeType support.
       // TODO(johnniwinther): Add global switch to force RTI.
       compiler.enabledRuntimeType = true;
       backend.registerRuntimeType(
           compiler.enqueuer.resolution, compiler.globalDependencies);
       return compiler;
     });
@@ skipping 80 matching lines @@
             library.isPlatformLibrary ||
             (packagesAreImmutable && library.isPackageLibrary));
       };
     }
     return compiler.libraryLoader.resetAsync(reuseLibrary).then((_) {
       oldTag.makeCurrent();
       return compiler;
     });
   }
 }