diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/debug/Frame-eval-15.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/debug/Frame-eval-15.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,13 @@
+var g = newGlobal();
+var dbg = new Debugger(g);
+
+g.eval("function h() { debugger }");
+g.eval("function f() { h() }");
+g.blah = 42;
+dbg.onDebuggerStatement = function(frame) {
+    frame.older.eval("var blah = 43");
+    frame.older.eval("blah = 44");
+    assertEq(frame.older.environment.getVariable("blah"), 44);
+}
+g.f();
+assertEq(g.blah, 42);