[runtime] Also migrate the Function and GeneratorFunction constructors to C++.

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
deleted file mode 100644
index 5d713803bef1ff93e99f20fd0510933df43a826f..0000000000000000000000000000000000000000
--- a/test/mjsunit/regress/regress-function-constructor-receiver.js
+++ /dev/null
@@ -1,17 +0,0 @@
-// 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 undefined value.
-  assertEquals(undefined, e.stack[0].getThis());
-}
-
-assertTrue(threw);