diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/baseline/bug842431-1.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/baseline/bug842431-1.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,14 @@
+// |jit-test| error:123
+var g = newGlobal();
+g.eval('function f() { var y; debugger; }');
+
+var dbg = new Debugger(g);
+
+dbg.onDebuggerStatement = function handleDebugger(frame) {
+    frame.onPop = function(c) {
+	this.eval('y = 33');
+	return {throw: 123};
+    }
+};
+
+g.f();