1 files changed, 38 insertions, 0 deletions
diff --git a/js/src/tests/js1_7/regress/regress-470223.js b/js/src/tests/js1_7/regress/regress-470223.js
new file mode 100644
index 000000000..725e22983
--- /dev/null
+++ b/js/src/tests/js1_7/regress/regress-470223.js
@@ -0,0 +1,38 @@
+/* -*- 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/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 470223;
+var summary = 'TM: Do not crash @ js_NewObjectWithGivenProto';
+var actual = '';
+var expect = '';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+
+
+  function F(A) {
+    for (R = [], s = 0; (m = A.indexOf("m", s++)) >= 0; )
+      R.push([m]);
+    for (i = R.length; i--; ) {
+      let r = R[i];
+      if (r[0]);
+    }
+  }
+  F("m"); F("mm");
+
+
+  reportCompare(expect, actual, summary);
+
+  exitFunc ('test');
+}