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diff --git a/js/src/tests/ecma_3/Statements/regress-74474-001.js b/js/src/tests/ecma_3/Statements/regress-74474-001.js
new file mode 100644
index 000000000..91527bff1
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+++ b/js/src/tests/ecma_3/Statements/regress-74474-001.js
@@ -0,0 +1,105 @@
+/* -*- 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: 01 May 2001
+ *
+ * SUMMARY: Regression test for Bugzilla bug 74474
+ *"switch() misbehaves with duplicated labels"
+ *
+ * See ECMA3  Section 12.11,  "The switch Statement"
+ * See http://bugzilla.mozilla.org/show_bug.cgi?id=74474
+ */
+//-----------------------------------------------------------------------------
+var UBound = 0;
+var BUGNUMBER = 74474;
+var summary = 'Testing switch statements with duplicate labels';
+var status = '';
+var statusitems = [ ];
+var actual = '';
+var actualvalues = [ ];
+var expect= '';
+var expectedvalues = [ ];
+
+
+status = 'Section A of test: the string literal "1" as a duplicate label';
+actual = '';
+switch ('1')
+{
+case '1':
+  actual += 'a';
+case '1':
+  actual += 'b';
+}
+expect = 'ab';
+addThis();
+
+
+status = 'Section B of test: the numeric literal 1 as a duplicate label';
+actual = '';
+switch (1)
+{
+case 1:
+  actual += 'a';
+case 1:
+  actual += 'b';
+}
+expect = 'ab';
+addThis();
+
+
+status = 'Section C of test: the numeric literal 1 as a duplicate label, via a function parameter';
+tryThis(1);
+function tryThis(x)
+{
+  actual = '';
+
+  switch (x)
+  {
+  case x:
+    actual += 'a';
+  case x:
+    actual += 'b';
+  }
+}
+expect = 'ab';
+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], getStatus(i));
+  }
+
+  exitFunc ('test');
+}
+
+
+function getStatus(i)
+{
+  return statusitems[i];
+}