diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/ion/bug883490.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/ion/bug883490.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,33 @@
+//|jit-test| error: TypeError
+function coerceForeign(stdlib, foreign)
+{
+    "use asm";
+
+    var g = foreign.g;
+    var h = foreign.h;
+
+    function f() {
+        +g(0);
+        +g(1);
+        +g(2);
+        +h(2);
+        +h(3);
+    }
+
+    return f;
+}
+function blaat() {
+
+}
+
+var t = coerceForeign(undefined, {
+  g: function(a) {
+    if (a == 2)
+      var blaat = new blaat();
+  },
+  h: function(b) {
+    print(b);
+  }
+})
+
+t();