diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/debug/Environment-find-03.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/debug/Environment-find-03.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,20 @@
+// env.find() finds noneumerable properties in with statements.
+
+var g = newGlobal();
+var dbg = Debugger(g);
+var hits = 0;
+g.h = function () {
+    var frame = dbg.getNewestFrame();
+    var target = frame.eval("obj").return;
+    var env = frame.environment.find("PI");
+    assertEq(env.object, target);
+    hits++;
+};
+
+g.obj = g.Math;
+g.eval("with (obj) h();");
+g.eval("with (Math) { let x = 12; h(); }");
+g.eval("obj = {};\n" +
+       "Object.defineProperty(obj, 'PI', {enumerable: false, value: 'Marlowe'});\n" +
+       "with (obj) h();\n");
+assertEq(hits, 3);