diff --git a/js/tests/js1_5/Regress/regress-224956.js b/js/tests/js1_5/Regress/regress-224956.js
new file mode 100644
index 000000000000..4a7529d013cb
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+++ b/js/tests/js1_5/Regress/regress-224956.js
@@ -0,0 +1,224 @@
+/* ***** BEGIN LICENSE BLOCK *****
+* Version: NPL 1.1/GPL 2.0/LGPL 2.1
+*
+* The contents of this file are subject to the Netscape Public License
+* Version 1.1 (the "License"); you may not use this file except in
+* compliance with the License. You may obtain a copy of the License at
+* http://www.mozilla.org/NPL/
+*
+* Software distributed under the License is distributed on an "AS IS" basis,
+* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+* for the specific language governing rights and limitations under the
+* License.
+*
+* The Original Code is JavaScript Engine testing utilities.
+*
+* The Initial Developer of the Original Code is Netscape Communications Corp.
+* Portions created by the Initial Developer are Copyright (C) 2003
+* the Initial Developer. All Rights Reserved.
+*
+* Contributor(s): zack-weg@gmx.de, PhilSchwartau@aol.com
+*
+* Alternatively, the contents of this file may be used under the terms of
+* either the GNU General Public License Version 2 or later (the "GPL"), or
+* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+* in which case the provisions of the GPL or the LGPL are applicable instead
+* of those above. If you wish to allow use of your version of this file only
+* under the terms of either the GPL or the LGPL, and not to allow others to
+* use your version of this file under the terms of the NPL, indicate your
+* decision by deleting the provisions above and replace them with the notice
+* and other provisions required by the GPL or the LGPL. If you do not delete
+* the provisions above, a recipient may use your version of this file under
+* the terms of any one of the NPL, the GPL or the LGPL.
+*
+* ***** END LICENSE BLOCK *****
+*
+*
+* Date:    08 November 2003
+* SUMMARY: |expr()| should cause a TypeError if |typeof expr| != 'function'
+* In other word
+*
+* See http://bugzilla.mozilla.org/show_bug.cgi?id=224956
+*
+*/
+//-----------------------------------------------------------------------------
+var UBound = 0;
+var bug = 224956;
+var summary = "|expr()| should cause TypeError if |typeof expr| != 'function'";
+var TEST_PASSED = 'TypeError';
+var TEST_FAILED = 'Generated an error, but NOT a TypeError!';
+var TEST_FAILED_BADLY = 'Did not generate ANY error!!!';
+var CHECK_PASSED = 'Should not generate an error';
+var CHECK_FAILED = 'Generated an error!';
+var status = '';
+var statusitems = [];
+var actual = '';
+var actualvalues = [];
+var expect= '';
+var expectedvalues = [];
+var x;
+
+
+/*
+ * All the following contain invalid uses of the call operator ()
+ * and should generate TypeErrors. That's what we're testing for.
+ *
+ * To save writing try...catch over and over, we hide all the
+ * errors inside eval strings, and let testThis() catch them.
+ */
+status = inSection(1);
+x = 'abc';
+testThis('x()');
+
+status = inSection(2);
+testThis('"abc"()');
+
+status = inSection(3);
+x = new Date();
+testThis('x()');
+
+status = inSection(4);
+testThis('Date(12345)()');
+
+status = inSection(5);
+x = Number(1);
+testThis('x()');
+
+status = inSection(6);
+testThis('1()');
+
+status = inSection(7);
+x = void(0);
+testThis('x()');
+
+status = inSection(8);
+testThis('void(0)()');
+
+status = inSection(9);
+x = Math;
+testThis('x()');
+
+status = inSection(10);
+testThis('Math()');
+
+status = inSection(11);
+x = Array(5);
+testThis('x()');
+
+status = inSection(12);
+testThis('[1,2,3,4,5]()');
+
+status = inSection(13);
+x = [1,2,3].splice(1,2);
+testThis('x()');
+
+
+/*
+ * Functions and RegExps both have |typeof| == 'function'.
+ * See http://bugzilla.mozilla.org/show_bug.cgi?id=61911.
+ *
+ * Therefore these expressions should not cause any errors.
+ * Note we use checkThis() instead of testThis()
+ *
+ */
+status = inSection(14);
+x = function (y) {return y+1;};
+checkThis('x("abc")');
+
+status = inSection(15);
+checkThis('function (y) {return y+1;}("abc")');
+
+status = inSection(16);
+function f(y) { function g() {return y;}; return g();};
+checkThis('f("abc")');
+
+status = inSection(17);
+x = /a()/;
+checkThis('x("abc")');
+
+status = inSection(18);
+x = /a()/gi;
+checkThis('x("abc")');
+
+status = inSection(19);
+x = RegExp('a()');
+checkThis('x("abc")');
+
+status = inSection(20);
+x = new RegExp('a()', 'gi');
+checkThis('x("")');
+
+
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+
+
+
+/*
+ * |expr()| should generate a TypeError if |expr| is not a function
+ */
+function testThis(sInvalidSyntax)
+{
+  expect = TEST_PASSED;
+  actual = TEST_FAILED_BADLY;
+
+  try
+  {
+    eval(sInvalidSyntax);
+  }
+  catch(e)
+  {
+    if (e instanceof TypeError)
+      actual = TEST_PASSED;
+    else
+      actual = TEST_FAILED + e;
+  }
+
+  statusitems[UBound] = status;
+  expectedvalues[UBound] = expect;
+  actualvalues[UBound] = actual;
+  UBound++;
+}
+
+
+/*
+ * Valid syntax shouldn't generate any errors
+ */
+function checkThis(sValidSyntax)
+{
+  expect = CHECK_PASSED;
+  actual = CHECK_PASSED;
+
+  try
+  {
+    eval(sValidSyntax);
+  }
+  catch(e)
+  {
+    actual = CHECK_FAILED;
+  }
+
+  statusitems[UBound] = status;
+  expectedvalues[UBound] = expect;
+  actualvalues[UBound] = actual;
+  UBound++;
+}
+
+
+function test()
+{
+  enterFunc('test');
+  printBugNumber(bug);
+  printStatus(summary);
+
+  for (var i=0; i<UBound; i++)
+  {
+    reportCompare(expectedvalues[i], actualvalues[i], statusitems[i]);
+  }
+
+  exitFunc ('test');
+}