diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/ion/directEval.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/ion/directEval.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,10 @@
+
+// test scope iteration when throwing from within an eval.
+function testEvalThrow(x, y) {
+  x = 5;
+  for (var i in [1,2,3])
+    eval("x += 5; if (i == 2) throw 0");
+  assertEq(x, 10);
+}
+for (var i = 0; i < 5; i++)
+  try { testEvalThrow.call({}, 3); } catch (e) { assertEq(e, 0); }