1 files changed, 9 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/debug/Debugger-getNewestFrame-03.js b/js/src/jit-test/tests/debug/Debugger-getNewestFrame-03.js
new file mode 100644
index 0000000000..b9396e2f92
--- /dev/null
+++ b/js/src/jit-test/tests/debug/Debugger-getNewestFrame-03.js
@@ -0,0 +1,9 @@
+// Debugger.prototype.getNewestFrame() ignores dummy frames.
+// See bug 678086.
+
+var g = newGlobal({newCompartment: true});
+g.f = function () { return dbg.getNewestFrame(); };
+var dbg = new Debugger;
+var gw = dbg.addDebuggee(g);
+var fw = gw.getOwnPropertyDescriptor("f").value;
+assertEq(fw.call().return, null);