diff -r 000000000000 -r 6474c204b198 toolkit/devtools/server/tests/unit/sourcemapped.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/toolkit/devtools/server/tests/unit/sourcemapped.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,16 @@
+// Generated by CoffeeScript 1.6.1
+(function() {
+  var first, foo, second, third, _ref;
+
+  foo = function(n) {
+    var i, _i;
+    for (i = _i = 0; 0 <= n ? _i < n : _i > n; i = 0 <= n ? ++_i : --_i) {
+      return "foo" + i;
+    }
+  };
+
+  _ref = foo(3), first = _ref[0], second = _ref[1], third = _ref[2];
+
+  debugger;
+
+}).call(this);