Shave 39% from snapshot size.

src/ia32/macro-assembler-ia32.cc

 // 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 334 matching lines @@
     push(Immediate(x.x_ ^ jit_cookie()));
     xor_(Operand(esp, 0), Immediate(jit_cookie()));
   } else {
     push(x);
   }
 }
 
 
 void MacroAssembler::CompareRoot(Register with, Heap::RootListIndex index) {
   // see ROOT_ACCESSOR macro in factory.h
-  Handle<Object> value(&isolate()->heap()->roots_address()[index]);
+  Handle<Object> value(&isolate()->heap()->roots_array_start()[index]);
   cmp(with, value);
 }
 
 
 void MacroAssembler::CmpObjectType(Register heap_object,
                                    InstanceType type,
                                    Register map) {
   mov(map, FieldOperand(heap_object, HeapObject::kMapOffset));
   CmpInstanceType(map, type);
 }
@@ skipping 2368 matching lines @@
     cmp(length, Operand(bitmap_scratch, MemoryChunk::kSizeOffset));
     Check(less_equal, "Live Bytes Count overflow chunk size");
   }
 
   bind(&done);
 }
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_IA32