A64: Synchronize with r15814.

src/a64/builtins-a64.cc

 // Copyright 2013 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 178 matching lines @@
 
   Register argument = x2;
   Label not_cached, argument_is_string;
   NumberToStringStub::GenerateLookupNumberStringCache(
       masm,
       argc,       // Input.
       argument,   // Result.
       x10,        // Scratch.
       x11,        // Scratch.
       x12,        // Scratch.
-      NumberToStringStub::OBJECT_IS_NOT_SMI,  // Is it a Smi?
       &not_cached);
   __ IncrementCounter(counters->string_ctor_cached_number(), 1, x10, x11);
   __ Bind(&argument_is_string);
 
   // ----------- S t a t e -------------
   //  -- x2     : argument converted to string
   //  -- x1     : constructor function
   //  -- lr     : return address
   // -----------------------------------
 
@@ skipping 1249 matching lines @@
   __ Bind(&dont_adapt_arguments);
   __ Jump(x3);
 }
 
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_ARM