Stop adapting the arguments passed to the builtin implementations...

src/bootstrapper.cc

 // Copyright 2006-2008 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 273 matching lines @@
   void TransferNamedProperties(Handle<JSObject> from, Handle<JSObject> to);
   void TransferIndexedProperties(Handle<JSObject> from, Handle<JSObject> to);
 
   Handle<DescriptorArray> ComputeFunctionInstanceDescriptor(
       bool make_prototype_read_only,
       bool make_prototype_enumerable = false);
   void MakeFunctionInstancePrototypeWritable();
 
   void AddSpecialFunction(Handle<JSObject> prototype,
                           const char* name,
-                          Handle<Code> code,
-                          int parameter_count);
+                          Handle<Code> code);
 
   void BuildSpecialFunctionTable();
 
   static bool CompileBuiltin(int index);
   static bool CompileNative(Vector<const char> name, Handle<String> source);
   static bool CompileScriptCached(Vector<const char> name,
                                   Handle<String> source,
                                   SourceCodeCache* cache,
                                   v8::Extension* extension,
                                   bool use_runtime_context);
@@ skipping 953 matching lines @@
   Handle<DescriptorArray> function_map_descriptors =
       ComputeFunctionInstanceDescriptor(false, true);
   Handle<Map> fm = Factory::CopyMap(Top::function_map());
   fm->set_instance_descriptors(*function_map_descriptors);
   Top::context()->global_context()->set_function_map(*fm);
 }
 
 
 void Genesis::AddSpecialFunction(Handle<JSObject> prototype,
                                  const char* name,
-                                 Handle<Code> code,
-                                 int parameter_count) {
+                                 Handle<Code> code) {
   Handle<String> key = Factory::LookupAsciiSymbol(name);
   Handle<Object> value = Handle<Object>(prototype->GetProperty(*key));
   if (value->IsJSFunction()) {
     Handle<JSFunction> optimized = Factory::NewFunction(key,
                                                         JS_OBJECT_TYPE,
                                                         JSObject::kHeaderSize,
                                                         code,
                                                         false);
-    optimized->shared()->set_formal_parameter_count(parameter_count);
+    optimized->shared()->DontAdaptArguments();
     int len = global_context()->special_function_table()->length();
     Handle<FixedArray> new_array = Factory::NewFixedArray(len + 3);
     for (int index = 0; index < len; index++) {
       new_array->set(index,
                      global_context()->special_function_table()->get(index));
     }
     new_array->set(len+0, *prototype);
     new_array->set(len+1, *value);
     new_array->set(len+2, *optimized);
     global_context()->set_special_function_table(*new_array);
   }
 }
 
 
 void Genesis::BuildSpecialFunctionTable() {
   HandleScope scope;
   Handle<JSObject> global = Handle<JSObject>(global_context()->global());
   // Add special versions for Array.prototype.pop and push.
   Handle<JSFunction> function =
       Handle<JSFunction>(
           JSFunction::cast(global->GetProperty(Heap::Array_symbol())));
   Handle<JSObject> prototype =
       Handle<JSObject>(JSObject::cast(function->prototype()));
   AddSpecialFunction(prototype, "pop",
-                     Handle<Code>(Builtins::builtin(Builtins::ArrayPop)),
-                     0);
+                     Handle<Code>(Builtins::builtin(Builtins::ArrayPop)));
   AddSpecialFunction(prototype, "push",
-                     Handle<Code>(Builtins::builtin(Builtins::ArrayPush)),
-                     1);
+                     Handle<Code>(Builtins::builtin(Builtins::ArrayPush)));
 }
 
 
 Genesis::Genesis(Handle<Object> global_object,
                  v8::Handle<v8::ObjectTemplate> global_template,
                  v8::ExtensionConfiguration* extensions) {
   // Link this genesis object into the stacked genesis chain. This
   // must be done before any early exits because the deconstructor
   // will always do unlinking.
   previous_ = current_;
@@ skipping 16 matching lines @@
   if (!ConfigureGlobalObject(global_template)) return;
 
   if (!InstallExtensions(extensions)) return;
 
   if (!InstallSpecialObjects()) return;
 
   result_ = global_context_;
 }
 
 } }  // namespace v8::internal