diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/auto-regress/bug912379.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/auto-regress/bug912379.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,12 @@
+s = newGlobal();
+evalcx("\
+    try { \
+        throw StopIteration;\
+    } catch(a) {\
+        x = a;\
+    } \
+    wrap(x);\
+", s);
+evalcx("\
+    n = x;\
+", s);