- Optimized CopyFixedArray and CopyJSObject.

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 282 matching lines @@
   int extra_rset_bits =
       RoundUp((object_size - Page::kObjectAreaSize) / kPointerSize,
               kBitsPerInt);
   return extra_rset_bits / kBitsPerByte;
 }
 
 
 Object* 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(size_in_bytes, identity());
-  }
+  if (new_top > alloc_info->limit) return Failure::RetryAfterGC(size_in_bytes);
 
   Object* obj = HeapObject::FromAddress(alloc_info->top);
   alloc_info->top = new_top;
 #ifdef DEBUG
   SemiSpace* space =
       (alloc_info == &allocation_info_) ? &to_space_ : &from_space_;
   ASSERT(space->low() <= alloc_info->top
          && alloc_info->top <= space->high()
          && alloc_info->limit == space->high());
 #endif
   return obj;
 }
 
 } }  // namespace v8::internal
 
 #endif  // V8_SPACES_INL_H_