1 files changed, 49 insertions, 0 deletions
diff --git a/js/src/tests/non262/expressions/regress-394673.js b/js/src/tests/non262/expressions/regress-394673.js
new file mode 100644
index 0000000000..8b22e65f68
--- /dev/null
+++ b/js/src/tests/non262/expressions/regress-394673.js
@@ -0,0 +1,49 @@
+/* -*- 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 = 394673;
+var summary = 'Parsing long chains of "&&" or "||"';
+var actual = 'No Error';
+var expect = 'No Error';
+
+printBugNumber(BUGNUMBER);
+printStatus (summary);
+ 
+var N = 70*1000;
+var counter;
+
+counter = 0;
+var x = build("&&")();
+if (x !== true)
+  throw "Unexpected result: x="+x;
+if (counter != N)
+  throw "Unexpected counter: counter="+counter;
+
+counter = 0;
+var x = build("||")();
+if (x !== true)
+  throw "Unexpected result: x="+x;
+if (counter != 1)
+  throw "Unexpected counter: counter="+counter;
+
+function build(operation)
+{
+  var counter;
+  var a = [];
+  a.push("return f()");
+  for (var i = 1; i != N - 1; ++i)
+    a.push("f()");
+  a.push("f();");
+  return new Function(a.join(operation));
+}
+
+function f()
+{
+  ++counter;
+  return true;
+}
+
+reportCompare(expect, actual, summary);