X64: Fix incompatability with previous revision.

test/cctest/test-macro-assembler-x64.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 91 matching lines @@
     bool is_valid = Smi::IsValid(number);
     bool is_in_range = number >= Smi::kMinValue && number <= Smi::kMaxValue;
     CHECK_EQ(is_in_range, is_valid);
     if (is_valid) {
       Smi* smi_from_intptr = Smi::FromIntptr(number);
       if (static_cast<int>(number) == number) {  // Is a 32-bit int.
         Smi* smi_from_int = Smi::FromInt(static_cast<int32_t>(number));
         CHECK_EQ(smi_from_int, smi_from_intptr);
       }
       int smi_value = smi_from_intptr->value();
-      CHECK_EQ(number, smi_value);
+      CHECK_EQ(number, static_cast<intptr_t>(smi_value));
     }
   }
 }
 
 
 static void TestMoveSmi(MacroAssembler* masm, Label* exit, int id, Smi* value) {
   __ movl(rax, Immediate(id));
   __ Move(rcx, Smi::FromInt(0));
   __ Set(rdx, reinterpret_cast<intptr_t>(Smi::FromInt(0)));
   __ cmpq(rcx, rdx);
@@ skipping 1964 matching lines @@
 
   CodeDesc desc;
   masm->GetCode(&desc);
   // Call the function from C++.
   int result = FUNCTION_CAST<F0>(buffer)();
   CHECK_EQ(0, result);
 }
 
 
 #undef __