Fix logical error in change 4515.

src/x64/codegen-x64.cc

 // Copyright 2010 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 8047 matching lines @@
   __ pop(rax);
   __ push(rdx);
   __ push(rax);
 
   // Figure out which native to call and setup the arguments.
   Builtins::JavaScript builtin;
   if (cc_ == equal) {
     builtin = strict_ ? Builtins::STRICT_EQUALS : Builtins::EQUALS;
   } else {
     builtin = Builtins::COMPARE;
-    __ push(Immediate(NegativeComparisonResult(cc_)));
+    __ Push(Smi::FromInt(NegativeComparisonResult(cc_)));
   }
 
   // Restore return address on the stack.
   __ push(rcx);
 
   // Call the native; it returns -1 (less), 0 (equal), or 1 (greater)
   // tagged as a small integer.
   __ InvokeBuiltin(builtin, JUMP_FUNCTION);
 }
 
@@ skipping 2517 matching lines @@
   // Call the function from C++.
   return FUNCTION_CAST<ModuloFunction>(buffer);
 }
 
 #endif
 
 
 #undef __
 
 } }  // namespace v8::internal