A64: Synchronize with r16024.

src/heap.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 685 matching lines @@
       incremental_marking()->IsStopped() &&
       incremental_marking()->WorthActivating() &&
       NextGCIsLikelyToBeFull()) {
     incremental_marking()->Start();
   }
 
   return next_gc_likely_to_collect_more;
 }
 
 
-int Heap::NotifyContextDisposed() {
-  if (FLAG_parallel_recompilation) {
-    // Flush the queued recompilation tasks.
-    isolate()->optimizing_compiler_thread()->Flush();
-  }
-  flush_monomorphic_ics_ = true;
-  return ++contexts_disposed_;
-}
-
-
 void Heap::PerformScavenge() {
   GCTracer tracer(this, NULL, NULL);
   if (incremental_marking()->IsStopped()) {
     PerformGarbageCollection(SCAVENGER, &tracer);
   } else {
     PerformGarbageCollection(MARK_COMPACTOR, &tracer);
   }
 }
 
 
@@ skipping 2484 matching lines @@
   { MaybeObject* maybe_obj = AllocateJSObjectFromMap(Map::cast(obj));
     if (!maybe_obj->ToObject(&obj)) return false;
   }
   set_observation_state(JSObject::cast(obj));
 
   { MaybeObject* maybe_obj = AllocateSymbol();
     if (!maybe_obj->ToObject(&obj)) return false;
   }
   set_frozen_symbol(Symbol::cast(obj));
 
+  { MaybeObject* maybe_obj = AllocateSymbol();
+    if (!maybe_obj->ToObject(&obj)) return false;
+  }
+  set_elements_transition_symbol(Symbol::cast(obj));
+
   { MaybeObject* maybe_obj = SeededNumberDictionary::Allocate(this, 0, TENURED);
     if (!maybe_obj->ToObject(&obj)) return false;
   }
   SeededNumberDictionary::cast(obj)->set_requires_slow_elements();
   set_empty_slow_element_dictionary(SeededNumberDictionary::cast(obj));
 
   { MaybeObject* maybe_obj = AllocateSymbol();
     if (!maybe_obj->ToObject(&obj)) return false;
   }
   set_observed_symbol(Symbol::cast(obj));
@@ skipping 3723 matching lines @@
     PrintF("total_sweeping_time=%.1f ", sweeping_time());
     PrintF("\n\n");
   }
 
   TearDownArrayBuffers();
 
   isolate_->global_handles()->TearDown();
 
   external_string_table_.TearDown();
 
+  mark_compact_collector()->TearDown();
+
   new_space_.TearDown();
 
   if (old_pointer_space_ != NULL) {
     old_pointer_space_->TearDown();
     delete old_pointer_space_;
     old_pointer_space_ = NULL;
   }
 
   if (old_data_space_ != NULL) {
     old_data_space_->TearDown();
@@ skipping 1071 matching lines @@
   if (FLAG_parallel_recompilation) {
     heap_->relocation_mutex_->Lock();
 #ifdef DEBUG
     heap_->relocation_mutex_locked_by_optimizer_thread_ =
         heap_->isolate()->optimizing_compiler_thread()->IsOptimizerThread();
 #endif  // DEBUG
   }
 }
 
 } }  // namespace v8::internal