1 files changed, 13 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/debug/Environment-getVariable-09.js b/js/src/jit-test/tests/debug/Environment-getVariable-09.js
new file mode 100644
index 000000000..d3155e957
--- /dev/null
+++ b/js/src/jit-test/tests/debug/Environment-getVariable-09.js
@@ -0,0 +1,13 @@
+// getVariable works on ancestors of frame.environment.
+
+var g = newGlobal();
+var dbg = Debugger(g);
+var log = '';
+dbg.onDebuggerStatement = function (frame) {
+    for (var env = frame.environment; env; env = env.parent) {
+        if (env.find("x") === env)
+            log += env.getVariable("x");
+    }
+};
+g.eval("var x = 1; { let x = 2; with (Object.create({x: 3})) { debugger; } }");
+assertEq(log, "321");