(early draft) Strict mode - throw exception on assignment to read only property.

test/cctest/test-api.cc

 // Copyright 2007-2009 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 10026 matching lines @@
 
     // Create the input string for the regexp - the one we are going to change
     // properties of.
     input_ = i::Factory::NewExternalStringFromAscii(&ascii_resource_);
 
     // Inject the input as a global variable.
     i::Handle<i::String> input_name =
         i::Factory::NewStringFromAscii(i::Vector<const char>("input", 5));
     i::Top::global_context()->global()->SetProperty(*input_name,
                                                     *input_,
-                                                    NONE)->ToObjectChecked();
+                                                    NONE,
+                                                    i::kNonStrictMode)->ToObjectChecked();
 
 
     MorphThread morph_thread(this);
     morph_thread.Start();
     v8::Locker::StartPreemption(1);
     LongRunningRegExp();
     {
       v8::Unlocker unlock;
       morph_thread.Join();
     }
@@ skipping 2776 matching lines @@
   v8::Handle<v8::Function> define_property =
       CompileRun("(function() {"
                  "  Object.defineProperty("
                  "    this,"
                  "    1,"
                  "    { configurable: true, enumerable: true, value: 3 });"
                  "})").As<Function>();
   context->DetachGlobal();
   define_property->Call(proxy, 0, NULL);
 }