Avoid using RecordWrite with the context (esi, rsi, cp) as...

src/ia32/full-codegen-ia32.cc

 // Copyright 2009 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 677 matching lines @@
         }
         if (decl->mode() == Variable::CONST) {
           __ mov(eax, Immediate(Factory::the_hole_value()));
           __ mov(CodeGenerator::ContextOperand(esi, slot->index()), eax);
           // No write barrier since the hole value is in old space.
         } else if (decl->fun() != NULL) {
           VisitForValue(decl->fun(), kAccumulator);
           __ mov(CodeGenerator::ContextOperand(esi, slot->index()),
                  result_register());
           int offset = Context::SlotOffset(slot->index());
-          __ RecordWrite(esi, offset, result_register(), ecx);
+          __ mov(ebx, esi);
+          __ RecordWrite(ebx, offset, result_register(), ecx);
         }
         break;
 
       case Slot::LOOKUP: {
         __ push(esi);
         __ push(Immediate(var->name()));
         // Declaration nodes are always introduced in one of two modes.
         ASSERT(decl->mode() == Variable::VAR ||
                decl->mode() == Variable::CONST);
         PropertyAttributes attr =
@@ skipping 1168 matching lines @@
   __ add(Operand(edx), Immediate(masm_->CodeObject()));
   __ mov(Operand(esp, 0), edx);
   // And return.
   __ ret(0);
 }
 
 
 #undef __
 
 } }  // namespace v8::internal