diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/debug/Frame-eval-09.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/debug/Frame-eval-09.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,20 @@
+// assigning to local variables in frame.eval code
+
+var g = newGlobal();
+var dbg = new Debugger(g);
+dbg.onDebuggerStatement = function (frame) {
+    frame.eval("outerarg = 1; outervar = 2; innerarg = 3; innervar = 4;");
+};
+
+var result = g.eval("(" + function outer(outerarg) {
+        var outervar = 200;
+        function inner(innerarg) {
+            var innervar = 400;
+            debugger;
+            return innerarg + innervar;
+        }
+        var innersum = inner(300);
+        return outerarg + outervar + innersum;
+    } + ")(100)");
+
+assertEq(result, 10);