diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/bug825379.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/bug825379.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,8 @@
+x = this
+y = {}
+y.v = "";
+[0, 0].forEach(function() {
+    for (p in y) {
+        x.eval("function f(){yield e}")
+    }
+});