Adding missing hole check to FixedDoubleArray::Initialize

src/objects-inl.h

 // Copyright 2011 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 1721 matching lines @@
 
 void FixedDoubleArray::Initialize(FixedDoubleArray* from) {
   int old_length = from->length();
   ASSERT(old_length < length());
   if (old_length * kDoubleSize >= OS::kMinComplexMemCopy) {
     OS::MemCopy(FIELD_ADDR(this, kHeaderSize),
                 FIELD_ADDR(from, kHeaderSize),
                 old_length * kDoubleSize);
   } else {
     for (int i = 0; i < old_length; ++i) {
-      set(i, from->get_scalar(i));
+      if (from->is_the_hole(i)) {
+        set_the_hole(i);
+      } else {
+        set(i, from->get_scalar(i));
+      }
     }
   }
   int offset = kHeaderSize + old_length * kDoubleSize;
   for (int current = from->length(); current < length(); ++current) {
     WRITE_DOUBLE_FIELD(this, offset, hole_nan_as_double());
     offset += kDoubleSize;
   }
 }
 
 
@@ skipping 2880 matching lines @@
 #undef WRITE_INT_FIELD
 #undef READ_SHORT_FIELD
 #undef WRITE_SHORT_FIELD
 #undef READ_BYTE_FIELD
 #undef WRITE_BYTE_FIELD
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_OBJECTS_INL_H_