Revert r5174.

src/heap.cc

 // Copyright 2009 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 116 matching lines @@
 int Heap::contexts_disposed_ = 0;
 
 int Heap::young_survivors_after_last_gc_ = 0;
 int Heap::high_survival_rate_period_length_ = 0;
 double Heap::survival_rate_ = 0;
 Heap::SurvivalRateTrend Heap::previous_survival_rate_trend_ = Heap::STABLE;
 Heap::SurvivalRateTrend Heap::survival_rate_trend_ = Heap::STABLE;
 
 #ifdef DEBUG
 bool Heap::allocation_allowed_ = true;
-bool Heap::gc_allowed_ = true;
 
 int Heap::allocation_timeout_ = 0;
 bool Heap::disallow_allocation_failure_ = false;
 #endif  // DEBUG
 
 int GCTracer::alive_after_last_gc_ = 0;
 double GCTracer::last_gc_end_timestamp_ = 0.0;
 int GCTracer::max_gc_pause_ = 0;
 int GCTracer::max_alive_after_gc_ = 0;
 int GCTracer::min_in_mutator_ = kMaxInt;
@@ skipping 165 matching lines @@
 #elif defined(DEBUG)
   if (FLAG_heap_stats) ReportHeapStatistics("After GC");
 #elif defined(ENABLE_LOGGING_AND_PROFILING)
   if (FLAG_log_gc) new_space_.ReportStatistics();
 #endif
 }
 #endif  // defined(DEBUG) || defined(ENABLE_LOGGING_AND_PROFILING)
 
 
 void Heap::GarbageCollectionPrologue() {
-#ifdef DEBUG
-  ASSERT(gc_allowed_);
-#endif
   TranscendentalCache::Clear();
   ClearJSFunctionResultCaches();
   gc_count_++;
   unflattened_strings_length_ = 0;
 #ifdef DEBUG
   ASSERT(allocation_allowed_ && gc_state_ == NOT_IN_GC);
   allow_allocation(false);
 
   if (FLAG_verify_heap) {
     Verify();
@@ skipping 4653 matching lines @@
 void ExternalStringTable::TearDown() {
   new_space_strings_.Free();
   old_space_strings_.Free();
 }
 
 
 List<Object*> ExternalStringTable::new_space_strings_;
 List<Object*> ExternalStringTable::old_space_strings_;
 
 } }  // namespace v8::internal