Merge experimental/gc branch to the bleeding_edge.

test/cctest/test-disasm-ia32.cc

 // Copyright 2007-2008 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 206 matching lines @@
   __ adc(edx, 12345);
 
   __ add(Operand(ebx), Immediate(12));
   __ add(Operand(edx, ecx, times_4, 10000), Immediate(12));
 
   __ and_(ebx, 12345);
 
   __ cmp(ebx, 12345);
   __ cmp(Operand(ebx), Immediate(12));
   __ cmp(Operand(edx, ecx, times_4, 10000), Immediate(12));
+  __ cmpb(Operand(eax), 100);
 
   __ or_(ebx, 12345);
 
   __ sub(Operand(ebx), Immediate(12));
   __ sub(Operand(edx, ecx, times_4, 10000), Immediate(12));
-  __ subb(Operand(edx, ecx, times_4, 10000), 100);
-  __ subb(Operand(eax), 100);
-  __ subb(eax, Operand(edx, ecx, times_4, 10000));
 
   __ xor_(ebx, 12345);
 
   __ imul(edx, ecx, 12);
   __ imul(edx, ecx, 1000);
 
   __ cld();
   __ rep_movs();
   __ rep_stos();
   __ stos();
@@ skipping 217 matching lines @@
   CHECK(code->IsCode());
 #ifdef OBJECT_PRINT
   Code::cast(code)->Print();
   byte* begin = Code::cast(code)->instruction_start();
   byte* end = begin + Code::cast(code)->instruction_size();
   disasm::Disassembler::Disassemble(stdout, begin, end);
 #endif
 }
 
 #undef __