X64: Fix bug introduced in revision 2779

src/x64/ic-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 831 matching lines @@
   Label miss, probe, global;
 
   __ movq(rax, Operand(rsp, kPointerSize));
 
   // Check that the receiver isn't a smi.
   __ testl(rax, Immediate(kSmiTagMask));
   __ j(zero, &miss);
 
   // Check that the receiver is a valid JS object.
   __ CmpObjectType(rax, FIRST_JS_OBJECT_TYPE, rbx);
-  __ j(less, &miss);
+  __ j(below, &miss);
 
   // If this assert fails, we have to check upper bound too.
   ASSERT(LAST_TYPE == JS_FUNCTION_TYPE);
 
   // Check for access to global object (unlikely).
   __ CmpInstanceType(rbx, JS_GLOBAL_PROXY_TYPE);
   __ j(equal, &global);
 
   // Check for non-global object that requires access check.
   __ testl(FieldOperand(rbx, Map::kBitFieldOffset),
@@ skipping 116 matching lines @@
 
   // Cache miss: Jump to runtime.
   Generate(masm, ExternalReference(IC_Utility(kStoreIC_Miss)));
 }
 
 
 #undef __
 
 
 } }  // namespace v8::internal