Some cleanup fixes

src/ia32/macro-assembler-ia32.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 3507 matching lines @@
   ExternalReference new_space_allocation_top =
       ExternalReference::new_space_allocation_top_address(isolate());
 
   lea(scratch_reg, Operand(receiver_reg,
       JSArray::kSize + AllocationMemento::kSize - kHeapObjectTag));
   cmp(scratch_reg, Immediate(new_space_start));
   j(less, &no_memento_available);
   cmp(scratch_reg, Operand::StaticVariable(new_space_allocation_top));
   j(greater, &no_memento_available);
   cmp(MemOperand(scratch_reg, -AllocationMemento::kSize),
-      Immediate(Handle<Map>(isolate()->heap()->allocation_memento_map())));
+      Immediate(isolate()->factory()->allocation_memento_map()));
   bind(&no_memento_available);
 }
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_IA32