diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/basic/bug510437-2.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/basic/bug510437-2.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,13 @@
+function f() {
+  eval("g=function() { \
+          for (let x=0; x < 2; ++x) { \
+            d=x \
+          } \
+        }")
+  g();
+  eval("var d")
+  g();
+}
+
+f();
+assertEq(d, 1);