Revert "Remove Failure::OutOfMemory propagation and V8::IgnoreOutOfMemoryException."

src/elements.cc

 // 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 300 matching lines @@
     } else {
       MaybeObject* maybe_value = from->get(i + from_start);
       Object* value;
       ASSERT(IsFastObjectElementsKind(to_kind));
       // Because Double -> Object elements transitions allocate HeapObjects
       // iteratively, the allocate must succeed within a single GC cycle,
       // otherwise the retry after the GC will also fail. In order to ensure
       // that no GC is triggered, allocate HeapNumbers from old space if they
       // can't be taken from new space.
       if (!maybe_value->ToObject(&value)) {
-        ASSERT(maybe_value->IsRetryAfterGC());
+        ASSERT(maybe_value->IsRetryAfterGC() || maybe_value->IsOutOfMemory());
         Heap* heap = from->GetHeap();
         MaybeObject* maybe_value_object =
             heap->AllocateHeapNumber(from->get_scalar(i + from_start),
                                      TENURED);
         if (!maybe_value_object->ToObject(&value)) return maybe_value_object;
       }
       to->set(i + to_start, value, UPDATE_WRITE_BARRIER);
     }
   }
   return to;
@@ skipping 1763 matching lines @@
       UNREACHABLE();
       break;
   }
 
   array->set_elements(*elms);
   array->set_length(Smi::FromInt(number_of_elements));
   return array;
 }
 
 } }  // namespace v8::internal