Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 55 insertions, 0 deletions

diff --git a/js/src/tests/non262/Array/regress-360681-02.js b/js/src/tests/non262/Array/regress-360681-02.js
new file mode 100644
index 0000000000..ab230e1d4b
--- /dev/null
+++ b/js/src/tests/non262/Array/regress-360681-02.js
@@ -0,0 +1,55 @@
+/* -*- tab-width: 2; 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 = 360681;
+var summary = 'Regression from bug 224128';
+var actual = '';
+var expect = '';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+ 
+  expect = actual = 'No Crash';
+
+  var N = 1000;
+
+// Make an array with a hole at the end
+  var a = Array(N);
+  for (i = 0; i < N - 1; ++i)
+    a[i] = 1;
+
+// array_sort due for array with N elements with allocates a temporary vector
+// with 2*N. Lets create strings that on 32 and 64 bit CPU cause allocation
+// of the same amount of memory + 1 word for their char arrays. After we GC
+// strings with a reasonable malloc implementation that memory will be most
+// likely reused in array_sort for the temporary vector. Then the bug causes
+// accessing the one-beyond-the-aloocation word and re-interpretation of
+// 0xFFF0FFF0 as GC thing.
+
+  var str1 = Array(2*(2*N + 1) + 1).join(String.fromCharCode(0xFFF0));
+  var str2 = Array(4*(2*N + 1) + 1).join(String.fromCharCode(0xFFF0));
+  gc();
+  str1 = str2 = null;
+  gc();
+
+  var firstCall = true;
+  a.sort(function (a, b) {
+	   if (firstCall) {
+	     firstCall = false;
+	     gc();
+	   }
+	   return a - b;
+	 });
+
+  reportCompare(expect, actual, summary);
+}