Make eval consider anything on the form eval(args...) a potential direct cal

src/v8natives.js

 // 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 144 matching lines @@
 function GlobalParseFloat(string) {
   string = TO_STRING_INLINE(string);
   if (%_HasCachedArrayIndex(string)) return %_GetCachedArrayIndex(string);
   return %StringParseFloat(string);
 }
 
 
 function GlobalEval(x) {
   if (!IS_STRING(x)) return x;
 
-  var receiver = this;
   var global_receiver = %GlobalReceiver(global);
-
-  if (receiver == null && !IS_UNDETECTABLE(receiver)) {
-    receiver = global_receiver;
-  }
-
-  var this_is_global_receiver = (receiver === global_receiver);
   var global_is_detached = (global === global_receiver);
 
   // For consistency with JSC we require the global object passed to
   // eval to be the global object from which 'eval' originated. This
   // is not mandated by the spec.
-  if (!this_is_global_receiver || global_is_detached) {
-    throw new $EvalError('The "this" object passed to eval must ' +
+  // We only throw if the global has been detached, since we need the
+  // receiver as this-value for the call.
+  if (global_is_detached) {
+    throw new $EvalError('The "this" value passed to eval must ' +
                          'be the global object from which eval originated');
   }
 
   var f = %CompileString(x);
   if (!IS_FUNCTION(f)) return f;
 
-  return %_CallFunction(receiver, f);
+  return %_CallFunction(global_receiver, f);
 }
 
 
 // ----------------------------------------------------------------------------
 
 // Set up global object.
 function SetUpGlobal() {
   %CheckIsBootstrapping();
   // ECMA 262 - 15.1.1.1.
   %SetProperty(global, "NaN", $NaN, DONT_ENUM | DONT_DELETE | READ_ONLY);
@@ skipping 1410 matching lines @@
 
 function SetUpFunction() {
   %CheckIsBootstrapping();
   InstallFunctions($Function.prototype, DONT_ENUM, $Array(
     "bind", FunctionBind,
     "toString", FunctionToString
   ));
 }
 
 SetUpFunction();