diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/basic/bug842425.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/basic/bug842425.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,12 @@
+// |jit-test| error: TypeError
+
+function g() {
+  var a = [];
+  for (var i = 0; i < 10; i++)
+    a.push(i, 1.5);
+  for (var i = 0; i < 32 ; i++) {
+    print(i);
+    a[i].m = function() {} 
+  }
+}
+g();