diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/jaeger/recompile/bug647532.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/jaeger/recompile/bug647532.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,4 @@
+try { Function("\
+    __defineSetter__(\"x\",Object.keys)\
+    (z=x instanceof[].some)\
+")() } catch (e) { }