This change allows generating call-stubs for objects with normal (non-fast) o...

src/x64/stub-cache-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 2107 matching lines @@
 }
 
 
 Register StubCompiler::CheckPrototypes(JSObject* object,
                                        Register object_reg,
                                        JSObject* holder,
                                        Register holder_reg,
                                        Register scratch,
                                        String* name,
                                        int save_at_depth,
-                                       Label* miss) {
+                                       Label* miss,
+                                       Register extra) {
   // Check that the maps haven't changed.
   Register result =
       masm()->CheckMaps(object,
                         object_reg,
                         holder,
                         holder_reg,
                         scratch,
                         save_at_depth,
                         miss);
 
@@ skipping 192 matching lines @@
   // Return the generated code.
   return GetCode();
 }
 
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_X64