Introduce extended mode.

src/ic.cc

 // Copyright 2011 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 417 matching lines @@
 
 
 void CallICBase::ReceiverToObjectIfRequired(Handle<Object> callee,
                                             Handle<Object> object) {
   while (callee->IsJSFunctionProxy()) {
     callee = Handle<Object>(JSFunctionProxy::cast(*callee)->call_trap());
   }
 
   if (callee->IsJSFunction()) {
     Handle<JSFunction> function = Handle<JSFunction>::cast(callee);
-    if (function->shared()->strict_mode() || function->IsBuiltin()) {
+    if (function->shared()->is_strict_or_extended_mode() ||
+        function->IsBuiltin()) {
       // Do not wrap receiver for strict mode functions or for builtins.
       return;
     }
   }
 
   // And only wrap string, number or boolean.
   if (object->IsString() || object->IsNumber() || object->IsBoolean()) {
     // Change the receiver to the result of calling ToObject on it.
     const int argc = this->target()->arguments_count();
     StackFrameLocator locator;
@@ skipping 1928 matching lines @@
 #undef ADDR
 };
 
 
 Address IC::AddressFromUtilityId(IC::UtilityId id) {
   return IC_utilities[id];
 }
 
 
 } }  // namespace v8::internal