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diff --git a/js/src/tests/js1_5/Array/regress-107138.js b/js/src/tests/js1_5/Array/regress-107138.js
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+/* -*- indent-tabs-mode: nil; js-indent-level: 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/. */
+
+/*
+ * Date: 29 October 2001
+ *
+ * SUMMARY: Regression test for bug 107138
+ * See http://bugzilla.mozilla.org/show_bug.cgi?id=107138
+ *
+ * The bug: arr['1'] == undefined instead of arr['1'] == 'one'.
+ * The bug was intermittent and did not always occur...
+ *
+ * The cnSTRESS constant defines how many times to repeat this test.
+ */
+//-----------------------------------------------------------------------------
+var UBound = 0;
+var cnSTRESS = 10;
+var cnDASH = '-';
+var BUGNUMBER = 107138;
+var summary = 'Regression test for bug 107138';
+var status = '';
+var statusitems = [];
+var actual = '';
+var actualvalues = [];
+var expect= '';
+var expectedvalues = [];
+
+
+var arr = ['zero', 'one', 'two', 'three', 'four', 'five',
+           'six', 'seven', 'eight', 'nine', 'ten'];
+
+
+// This bug was intermittent. Stress-test it.
+for (var j=0; j<cnSTRESS; j++)
+{
+  status = inSection(j + cnDASH + 1);
+  actual = arr[0];
+  expect = 'zero';
+  addThis();
+
+  status = inSection(j + cnDASH + 2);
+  actual = arr['0'];
+  expect = 'zero';
+  addThis();
+
+  status = inSection(j + cnDASH + 3);
+  actual = arr[1];
+  expect = 'one';
+  addThis();
+
+  status = inSection(j + cnDASH + 4);
+  actual = arr['1'];
+  expect = 'one';
+  addThis();
+
+  status = inSection(j + cnDASH + 5);
+  actual = arr[2];
+  expect = 'two';
+  addThis();
+
+  status = inSection(j + cnDASH + 6);
+  actual = arr['2'];
+  expect = 'two';
+  addThis();
+
+  status = inSection(j + cnDASH + 7);
+  actual = arr[3];
+  expect = 'three';
+  addThis();
+
+  status = inSection(j + cnDASH + 8);
+  actual = arr['3'];
+  expect = 'three';
+  addThis();
+
+  status = inSection(j + cnDASH + 9);
+  actual = arr[4];
+  expect = 'four';
+  addThis();
+
+  status = inSection(j + cnDASH + 10);
+  actual = arr['4'];
+  expect = 'four';
+  addThis();
+
+  status = inSection(j + cnDASH + 11);
+  actual = arr[5];
+  expect = 'five';
+  addThis();
+
+  status = inSection(j + cnDASH + 12);
+  actual = arr['5'];
+  expect = 'five';
+  addThis();
+
+  status = inSection(j + cnDASH + 13);
+  actual = arr[6];
+  expect = 'six';
+  addThis();
+
+  status = inSection(j + cnDASH + 14);
+  actual = arr['6'];
+  expect = 'six';
+  addThis();
+
+  status = inSection(j + cnDASH + 15);
+  actual = arr[7];
+  expect = 'seven';
+  addThis();
+
+  status = inSection(j + cnDASH + 16);
+  actual = arr['7'];
+  expect = 'seven';
+  addThis();
+
+  status = inSection(j + cnDASH + 17);
+  actual = arr[8];
+  expect = 'eight';
+  addThis();
+
+  status = inSection(j + cnDASH + 18);
+  actual = arr['8'];
+  expect = 'eight';
+  addThis();
+
+  status = inSection(j + cnDASH + 19);
+  actual = arr[9];
+  expect = 'nine';
+  addThis();
+
+  status = inSection(j + cnDASH + 20);
+  actual = arr['9'];
+  expect = 'nine';
+  addThis();
+
+  status = inSection(j + cnDASH + 21);
+  actual = arr[10];
+  expect = 'ten';
+  addThis();
+
+  status = inSection(j + cnDASH + 22);
+  actual = arr['10'];
+  expect = 'ten';
+  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');
+}