Track references to allocation stubs via static_calls_table, instead of keeping two referencers ali…

runtime/vm/heap.cc

 // 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.
 
 #include "vm/heap.h"
 
 #include "platform/assert.h"
 #include "platform/utils.h"
 #include "vm/flags.h"
 #include "vm/isolate.h"
@@ skipping 355 matching lines @@
 
 
 void Heap::UpdatePretenurePolicy() {
   if (FLAG_disable_alloc_stubs_after_gc) {
     ClassTable* table = isolate_->class_table();
     for (intptr_t cid = 1; cid < table->NumCids(); ++cid) {
       if (((cid >= kNumPredefinedCids) || (cid == kArrayCid)) &&
           table->IsValidIndex(cid) &&
           table->HasValidClassAt(cid)) {
         const Class& cls = Class::Handle(isolate_, table->At(cid));
-        cls.SwitchAllocationStub();
+        cls.DisableAllocationStub();
       }
     }
   }
   ClassHeapStats* stats =
       isolate_->class_table()->StatsWithUpdatedSize(kOneByteStringCid);
   int allocated = stats->pre_gc.new_count;
   int promo_percent = (allocated == 0) ? 0 :
       (100 * stats->promoted_count) / allocated;
   if (promo_percent >= FLAG_pretenure_threshold) {
     pretenure_policy_ += FLAG_pretenure_interval;
@@ skipping 330 matching lines @@
     heap->DisableGrowthControl();
 }
 
 
 NoHeapGrowthControlScope::~NoHeapGrowthControlScope() {
     Heap* heap = reinterpret_cast<Isolate*>(isolate())->heap();
     heap->SetGrowthControlState(current_growth_controller_state_);
 }
 
 }  // namespace dart