diff -r 000000000000 -r 6474c204b198 js/src/tests/js1_8/regress/regress-384412.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/tests/js1_8/regress/regress-384412.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,152 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 384412;
+var summary = 'Exercise frame handling code';
+var actual = '';
+var expect = '';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+ 
+/*
+ * Generators
+ */
+
+/* Generator yields properly */
+  f = (function(n) { for (var i = 0; i != n; i++) yield i });
+  g = f(3);
+  expect(0, g.next());
+  expect(1, g.next());
+  expect(2, g.next());
+  s = "no exception";
+  try { g.next(); } catch (e) { s = e + ""; }
+  expect("[object StopIteration]", s);
+
+/* Generator yields properly in finally */
+  f = (function(n) {
+      try {
+        for (var i = 0; i != n; i++) 
+          yield i;
+      } finally {
+        yield "finally";
+      }
+    });
+
+  g = f(3);
+  expect(0, g.next());
+  expect(1, g.next());
+  expect(2, g.next());
+  expect("finally", g.next());
+
+/* Generator throws when closed with yield in finally */
+  g = f(3);
+  expect(0, g.next());
+  s = "no exception";
+  try { g.close(); } catch (e) { s = e + ""; };
+  expect("TypeError: yield from closing generator " + f.toSource(), s);
+
+
+/*
+ * Calls that have been replaced with js_PushFrame() &c...
+ */
+  f = (function() { return arguments[(arguments.length - 1) / 2]; });
+  expect(2, f(1, 2, 3));
+  expect(2, f.call(null, 1, 2, 3));
+  expect(2, f.apply(null, [1, 2, 3]));
+  expect("a1c", "abc".replace("b", f));
+  s = "no exception";
+  try {
+    "abc".replace("b", (function() { throw "hello" }));
+  } catch (e) {
+    s = e + "";
+  }
+  expect("hello", s);
+  expect(6, [1, 2, 3].reduce(function(a, b) { return a + b; }));
+  s = "no exception";
+  try {
+    [1, 2, 3].reduce(function(a, b) { if (b == 2) throw "hello"; });
+  } catch (e) {
+    s = e + "";
+  }
+  expect("hello", s);
+
+/*
+ * __noSuchMethod__
+ */
+  o = {};
+  s = "no exception";
+  try {
+    o.hello();
+  } catch (e) {
+    s = e + "";
+  }
+  expect("TypeError: o.hello is not a function", s);
+  o.__noSuchMethod__ = (function() { return "world"; });
+  expect("world", o.hello());
+  o.__noSuchMethod__ = 1;
+  s = "no exception";
+  try {
+    o.hello();
+  } catch (e) {
+    s = e + "";
+  }
+  expect("TypeError: o.hello is not a function", s);
+  o.__noSuchMethod__ = {};
+  s = "no exception";
+  try {
+    o.hello();
+  } catch (e) {
+    s = e + "";
+  }
+  expect("TypeError: ({}) is not a function", s);
+  s = "no exception";
+  try {
+    eval("o.hello()");
+  } catch (e) {
+    s = e + "";
+  }
+  expect("TypeError: ({}) is not a function", s);
+  s = "no exception";
+  try { [2, 3, 0].sort({}); } catch (e) { s = e + ""; }
+  expect("TypeError: ({}) is not a function", s);
+
+/*
+ * Generator expressions.
+ */
+  String.prototype.__iterator__ = (function () {
+      /*
+       * NOTE:
+       * Without the "0 + ", the loop over <x/> does not terminate because
+       * the iterator gets run on a string with an empty length property.
+       */
+      for (let i = 0; i != 0 + this.length; i++)
+        yield this[i];
+    });
+  expect(["a1", "a2", "a3", "b1", "b2", "b3", "c1", "c2", "c3"] + "",
+         ([a + b for (a in 'abc') for (b in '123')]) + "");
+
+  print("End of Tests");
+
+/*
+ * Utility functions
+ */
+  function expect(a, b) {
+    print('expect: ' + a + ', actual: ' + b);
+    reportCompare(a, b, summary);
+  }
+
+
+  exitFunc ('test');
+}