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diff --git a/tests/auto/qml/parserstress/tests/ecma_3/ExecutionContexts/10.1.3-1.js b/tests/auto/qml/parserstress/tests/ecma_3/ExecutionContexts/10.1.3-1.js
new file mode 100644
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@@ -0,0 +1,201 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla 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/MPL/
+ *
+ * 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) 2002
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *   pschwartau@netscape.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 MPL, 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 MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+/*
+ *
+ * Date:    11 Feb 2002
+ * SUMMARY: Testing functions having duplicate formal parameter names
+ *
+ * Note: given function f(x,x,x,x) {return x;}; f(1,2,3,4) should return 4.
+ * See ECMA-262 3rd Edition Final Section 10.1.3: Variable Instantiation
+ *
+ * Also see http://bugzilla.mozilla.org/show_bug.cgi?id=124900
+ */
+//-----------------------------------------------------------------------------
+var gTestfile = '10.1.3-1.js';
+var UBound = 0;
+var BUGNUMBER = 124900;
+var summary = 'Testing functions having duplicate formal parameter names';
+var status = '';
+var statusitems = [];
+var actual = '';
+var actualvalues = [];
+var expect= '';
+var expectedvalues = [];
+
+
+function f1(x,x)
+{
+  return x;
+}
+status = inSection(1);
+actual = f1(1,2);
+expect = 2;
+addThis();
+
+
+function f2(x,x,x)
+{
+  return x*x*x;
+}
+status = inSection(2);
+actual = f2(1,2,3);
+expect = 27;
+addThis();
+
+
+function f3(x,x,x,x)
+{
+  return 'a' + x + 'b' + x + 'c' + x ;
+}
+status = inSection(3);
+actual = f3(1,2,3,4);
+expect = 'a4b4c4';
+addThis();
+
+
+/*
+ * If the value of the last duplicate parameter is not provided by
+ * the function caller, the value of this parameter is undefined
+ */
+function f4(x,a,b,x,z)
+{
+  return x;
+}
+status = inSection(4);
+actual = f4(1,2);
+expect = undefined;
+addThis();
+
+
+/*
+ * f.toString() should preserve any duplicate formal parameter names that exist
+ */
+function f5(x,x,x,x)
+{
+}
+status = inSection(5);
+actual = f5.toString().match(/\((.*)\)/)[1];
+actual = actual.replace(/\s/g, ''); // for definiteness, remove any white space
+expect = 'x,x,x,x';
+addThis();
+
+
+function f6(x,x,x,x)
+{
+  var ret = [];
+
+  for (var i=0; i<arguments.length; i++)
+    ret.push(arguments[i]);
+
+  return ret.toString();
+}
+status = inSection(6);
+actual = f6(1,2,3,4);
+expect = '1,2,3,4';
+addThis();
+
+
+/*
+ * This variation (assigning to x inside f) is from nboyd@atg.com
+ * See http://bugzilla.mozilla.org/show_bug.cgi?id=124900
+ */
+function f7(x,x,x,x)
+{
+  x = 999;
+  var ret = [];
+
+  for (var i=0; i<arguments.length; i++)
+    ret.push(arguments[i]);
+
+  return ret.toString();
+}
+status = inSection(7);
+actual = f7(1,2,3,4);
+expect = '1,2,3,999';
+addThis();
+
+
+/*
+ * Same as above, but with |var| keyword added -
+ */
+function f8(x,x,x,x)
+{
+  var x = 999;
+  var ret = [];
+
+  for (var i=0; i<arguments.length; i++)
+    ret.push(arguments[i]);
+
+  return ret.toString();
+}
+status = inSection(8);
+actual = f8(1,2,3,4);
+expect = '1,2,3,999';
+addThis();
+
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+
+
+function addThis()
+{
+  statusitems[UBound] = status;
+  actualvalues[UBound] = actual;
+  expectedvalues[UBound] = expect;
+  UBound++;
+}
+
+
+function test()
+{
+  enterFunc('test');
+  printBugNumber(BUGNUMBER);
+  printStatus(summary);
+
+  for (var i=0; i<UBound; i++)
+  {
+    reportCompare(expectedvalues[i], actualvalues[i], statusitems[i]);
+  }
+
+  exitFunc ('test');
+}