Do not eagerly finalize classes in CHA, instead regard unfinalized classes as ’non-existent’ an…

runtime/vm/isolate.cc

 // 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.
 
 #include "vm/isolate.h"
 
 #include "include/dart_api.h"
 #include "platform/assert.h"
 #include "platform/json.h"
 #include "lib/mirrors.h"
@@ skipping 511 matching lines @@
   IsolateSpawnState* state = NULL;
   {
     MutexLocker ml(isolate->mutex());
     state = reinterpret_cast<IsolateSpawnState*>(isolate->spawn_data());
     isolate->set_spawn_data(0);
   }
   {
     StartIsolateScope start_scope(isolate);
     StackZone zone(isolate);
     HandleScope handle_scope(isolate);
-    if (!ClassFinalizer::FinalizePendingClasses()) {
+    if (!ClassFinalizer::FinalizeTypeHierarchy()) {
       // Error is in sticky error already.
       return false;
     }
 
     // Set up specific unhandled exception handler.
     const String& callback_name = String::Handle(
         isolate, String::New(state->exception_callback_name()));
     isolate->object_store()->
         set_unhandled_exception_handler(callback_name);
 
@@ skipping 582 matching lines @@
   return func.raw();
 }
 
 
 void IsolateSpawnState::Cleanup() {
   SwitchIsolateScope switch_scope(isolate());
   Dart::ShutdownIsolate();
 }
 
 }  // namespace dart