diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/auto-regress/bug543436.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/auto-regress/bug543436.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,15 @@
+// Binary: cache/js-dbg-64-f57b95afb57e-linux
+// Flags:
+//
+(function() {
+  try {
+    eval("\
+      function() {\
+        if (3)\
+        (1 for (x in []));\
+        else \
+        (this._ = function(){})\
+      }\
+    ");
+  } catch(e) {}
+})()