1 files changed, 10 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/debug/Object-identity-01.js b/js/src/jit-test/tests/debug/Object-identity-01.js
new file mode 100644
index 000000000..a4c48e420
--- /dev/null
+++ b/js/src/jit-test/tests/debug/Object-identity-01.js
@@ -0,0 +1,10 @@
+// Two references to the same object get the same Debugger.Object wrapper.
+var g = newGlobal();
+var dbg = Debugger(g);
+var hits = 0;
+dbg.onDebuggerStatement = function (frame) {
+    assertEq(frame.arguments[0], frame.arguments[1]);
+    hits++;
+};
+g.eval("var obj = {}; function f(a, b) { debugger; } f(obj, obj);");
+assertEq(hits, 1);