diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/auto-regress/bug729886.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/auto-regress/bug729886.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,12 @@
+// |jit-test| error:ReferenceError
+
+// Binary: cache/js-opt-64-5a04fd69aa09-linux
+// Flags: --ion-eager
+//
+
+function deep1(x) {
+    if (0) {  }
+    else i : dumpStack();
+}
+for (var i = 0; 1; ++i)
+    deep1(i);