Move megamorphic cache table into the Dart heap.

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 "vm/code_observers.h"
@@ skipping 638 matching lines @@
 #define REUSABLE_HANDLE_SCOPE_INIT(object)
 #endif  // defined(DEBUG)
 
 #define REUSABLE_HANDLE_INITIALIZERS(object)                                   \
   object##_handle_(NULL),
 
 Isolate::Isolate(const Dart_IsolateFlags& api_flags)
   :   vm_tag_(0),
       store_buffer_(new StoreBuffer()),
       thread_registry_(new ThreadRegistry()),
+      megamorphic_cache_table_(this),
       message_notify_callback_(NULL),
       name_(NULL),
       debugger_name_(NULL),
       start_time_(OS::GetCurrentTimeMicros()),
       main_port_(0),
       origin_id_(0),
       pause_capability_(0),
       terminate_capability_(0),
       errors_fatal_(true),
       heap_(NULL),
@@ skipping 947 matching lines @@
                                   bool visit_prologue_weak_handles,
                                   bool validate_frames) {
   ASSERT(visitor != NULL);
 
   // Visit objects in the object store.
   object_store()->VisitObjectPointers(visitor);
 
   // Visit objects in the class table.
   class_table()->VisitObjectPointers(visitor);
 
-  // Visit objects in the megamorphic cache.
-  megamorphic_cache_table()->VisitObjectPointers(visitor);
-
   // Visit objects in per isolate stubs.
   StubCode::VisitObjectPointers(visitor);
 
   // Visit objects in isolate specific handles area.
   reusable_handles_.VisitObjectPointers(visitor);
 
   // Visit the dart api state for all local and persistent handles.
   if (api_state() != NULL) {
     api_state()->VisitObjectPointers(visitor, visit_prologue_weak_handles);
   }
@@ skipping 710 matching lines @@
                            serialized_message_, serialized_message_len_);
 }
 
 
 void IsolateSpawnState::Cleanup() {
   SwitchIsolateScope switch_scope(I);
   Dart::ShutdownIsolate();
 }
 
 }  // namespace dart