From 5f8de423f190bbb79a62f804151bc24824fa32d8 Mon Sep 17 00:00:00 2001
From: "Matt A. Tobin" <mattatobin@localhost.localdomain>
Date: Fri, 2 Feb 2018 04:16:08 -0500
Subject: Add m-esr52 at 52.6.0

---
 js/src/tests/js1_5/GC/regress-313276.js | 40 +++++++++++++++++++++++++++++++++
 1 file changed, 40 insertions(+)
 create mode 100644 js/src/tests/js1_5/GC/regress-313276.js

(limited to 'js/src/tests/js1_5/GC/regress-313276.js')

diff --git a/js/src/tests/js1_5/GC/regress-313276.js b/js/src/tests/js1_5/GC/regress-313276.js
new file mode 100644
index 000000000..7f622fa3f
--- /dev/null
+++ b/js/src/tests/js1_5/GC/regress-313276.js
@@ -0,0 +1,40 @@
+/* -*- 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 = 313276;
+var summary = 'Root strings';
+var actual = 'No Crash';
+var expect = 'No Crash';
+
+printBugNumber(BUGNUMBER);
+printStatus (summary);
+ 
+var obj = {
+  toString: function() {
+    return "*TEST*".substr(1, 4);
+  }
+};
+
+var TMP = 1e200;
+
+var likeZero = {
+  valueOf: function() {
+    if (typeof gc == "function") gc();
+    for (var i = 0; i != 40000; ++i) {
+      var tmp = 2 / TMP;
+      tmp = null;
+    }
+    return 0;
+  }
+}
+
+  expect = "TEST";
+actual = String.prototype.substr.call(obj, likeZero);
+
+printStatus("Substring length: "+actual.length);
+printStatus((expect === actual).toString());
+
+reportCompare(expect, actual, summary);
-- 
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