Add missing case for shr in IA-32 disassembler

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 183 matching lines @@
   __ rcl(edx, 7);
   __ sar(edx, 1);
   __ sar(edx, 6);
   __ sar_cl(edx);
   __ sbb(edx, Operand(ebx, ecx, times_4, 10000));
   __ shld(edx, Operand(ebx, ecx, times_4, 10000));
   __ shl(edx, 1);
   __ shl(edx, 6);
   __ shl_cl(edx);
   __ shrd(edx, Operand(ebx, ecx, times_4, 10000));
+  __ shr(edx, 1);
   __ shr(edx, 7);
   __ shr_cl(edx);
 
 
   // Immediates
 
   __ adc(edx, 12345);
 
   __ add(Operand(ebx), Immediate(12));
   __ add(Operand(edx, ecx, times_4, 10000), Immediate(12));
@@ skipping 185 matching lines @@
   CHECK(code->IsCode());
 #ifdef DEBUG
   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 __