Move DescriptorArray into the map

src/heap-inl.h

 // 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 249 matching lines @@
 }
 
 
 MaybeObject* Heap::AllocateRawMap() {
 #ifdef DEBUG
   isolate_->counters()->objs_since_last_full()->Increment();
   isolate_->counters()->objs_since_last_young()->Increment();
 #endif
   MaybeObject* result = map_space_->AllocateRaw(Map::kSize);
   if (result->IsFailure()) old_gen_exhausted_ = true;
-#ifdef DEBUG
-  if (!result->IsFailure()) {
-    // Maps have their own alignment.
-    CHECK((reinterpret_cast<intptr_t>(result) & kMapAlignmentMask) ==
-          static_cast<intptr_t>(kHeapObjectTag));
-  }
-#endif
   return result;
 }
 
 
 MaybeObject* Heap::AllocateRawCell() {
 #ifdef DEBUG
   isolate_->counters()->objs_since_last_full()->Increment();
   isolate_->counters()->objs_since_last_young()->Increment();
 #endif
   MaybeObject* result = cell_space_->AllocateRaw(JSGlobalPropertyCell::kSize);
@@ skipping 521 matching lines @@
 AssertNoAllocation::~AssertNoAllocation() { }
 DisableAssertNoAllocation::DisableAssertNoAllocation() { }
 DisableAssertNoAllocation::~DisableAssertNoAllocation() { }
 
 #endif
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_HEAP_INL_H_