Don't leak the global object in the Function constructor.

test/mjsunit/regress/regress-function-constructor-receiver.js

Index: test/mjsunit/regress/regress-function-constructor-receiver.js
diff --git a/test/mjsunit/regress/regress-function-constructor-receiver.js b/test/mjsunit/regress/regress-function-constructor-receiver.js
new file mode 100644
index 0000000000000000000000000000000000000000..f345435ade0d72063307bf49267e9f11513ce42d
--- /dev/null
+++ b/test/mjsunit/regress/regress-function-constructor-receiver.js
@@ -0,0 +1,17 @@
+// Copyright 2014 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Return the raw CallSites array.
+Error.prepareStackTrace = function (a,b) { return b; };
+
+var threw = false;
+try {
+  new Function({toString:0,valueOf:0});
+} catch (e) {
+  threw = true;
+  // Ensure that the receiver during "new Function" is the global proxy.
+  assertEquals(this, e.stack[0].getThis());
+}
+
+assertTrue(threw);