1 files changed, 34 insertions, 0 deletions
diff --git a/js/src/tests/non262/regress/regress-618572.js b/js/src/tests/non262/regress/regress-618572.js
new file mode 100644
index 0000000000..f2995295ef
--- /dev/null
+++ b/js/src/tests/non262/regress/regress-618572.js
@@ -0,0 +1,34 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/*
+ * Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/licenses/publicdomain/
+ */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 618572;
+var summary = 'Do not assert when ungetting a Unicode char sequence';
+var actual = '';
+var expect = '';
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+ 
+  expect = 'SyntaxError';
+
+  try
+  {
+    eval("var a\\0021 = 3;");
+  }
+  catch(ex)
+  {
+    actual = ex.constructor.name;
+  }
+
+  reportCompare(expect, actual, summary);
+}