diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/jaeger/recompile/bug648567.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/jaeger/recompile/bug648567.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,16 @@
+var arr = [-10, true];
+true || arr[0];
+
+function g() {
+    var x = arr[12];
+    var y = arr.length;
+    arr[undefined] = x;
+    assertEq(y, 2);
+}
+{
+    function f() {
+        gc();
+        g();        
+    }
+    f();
+}