diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/auto-regress/bug770713.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/auto-regress/bug770713.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,21 @@
+// Binary: cache/js-dbg-32-b39f4007be5a-linux
+// Flags: -m -n -a
+//
+
+gczeal(4);
+var a = ['a','test string',456,9.34,new String("string object"),[],['h','i','j','k']];
+var b = [1,2,3,4,5,6,7,8,9,0];
+exhaustiveSliceTest("exhaustive slice test 1", a);
+function mySlice(a, from, to) {
+  var returnArray = [];
+  try {  }  catch ( [ x   ]   ) {  }   finally {  }
+  return returnArray;
+}
+function exhaustiveSliceTest(testname, a) {
+  var x = 0;
+    for (y = (2 + a.length); y >= -(2 + a.length); y--) {
+      var c = mySlice(a,x,y);
+      if (String(b) != String(c))
+          " expected result: " + String(c) + "\n";
+    }
+}