diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/auto-regress/bug511938.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/auto-regress/bug511938.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,8 @@
+// Binary: cache/js-dbg-32-16baceea5fe2-linux
+// Flags: -j
+//
+(function () {
+    for (let x = 0; x < 4; ++x) {
+        gczeal(2)
+    }
+})()