[Isolates] Merge crankshaft (r5922 from bleeding_edge).

src/spaces-inl.h

 // Copyright 2006-2008 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 447 matching lines @@
   object = SlowMCAllocateRaw(size_in_bytes);
   if (object != NULL) return object;
 
   return Failure::RetryAfterGC(identity());
 }
 
 
 // -----------------------------------------------------------------------------
 // LargeObjectChunk
 
-HeapObject* LargeObjectChunk::GetObject() {
+Address LargeObjectChunk::GetStartAddress() {
   // Round the chunk address up to the nearest page-aligned address
   // and return the heap object in that page.
   Page* page = Page::FromAddress(RoundUp(address(), Page::kPageSize));
-  return HeapObject::FromAddress(page->ObjectAreaStart());
+  return page->ObjectAreaStart();
 }
 
 
+void LargeObjectChunk::Free(Executability executable) {
+  Isolate* isolate =
+      Page::FromAddress(RoundUp(address(), Page::kPageSize))->heap_->isolate();
+  isolate->memory_allocator()->FreeRawMemory(address(), size(), executable);
+}
+
 // -----------------------------------------------------------------------------
 // LargeObjectSpace
 
 MaybeObject* NewSpace::AllocateRawInternal(int size_in_bytes,
                                            AllocationInfo* alloc_info) {
   Address new_top = alloc_info->top + size_in_bytes;
   if (new_top > alloc_info->limit) return Failure::RetryAfterGC();
 
   Object* obj = HeapObject::FromAddress(alloc_info->top);
   alloc_info->top = new_top;
@@ skipping 16 matching lines @@
 
 bool FreeListNode::IsFreeListNode(HeapObject* object) {
   return object->map() == HEAP->raw_unchecked_byte_array_map()
       || object->map() == HEAP->raw_unchecked_one_pointer_filler_map()
       || object->map() == HEAP->raw_unchecked_two_pointer_filler_map();
 }
 
 } }  // namespace v8::internal
 
 #endif  // V8_SPACES_INL_H_