1 files changed, 19 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/debug/Frame-identity-01.js b/js/src/jit-test/tests/debug/Frame-identity-01.js
new file mode 100644
index 0000000000..de16e680be
--- /dev/null
+++ b/js/src/jit-test/tests/debug/Frame-identity-01.js
@@ -0,0 +1,19 @@
+// Check that {return:} resumption kills the current stack frame.
+
+var g = newGlobal({newCompartment: true});
+g.debuggeeGlobal = this;
+g.eval("(" + function () {
+        var dbg = new Debugger(debuggeeGlobal);
+        var prev = null;
+        dbg.onDebuggerStatement = function (frame) {
+            assertEq(frame === prev, false);
+            if (prev)
+                assertEq(prev.onStack, false);
+            prev = frame;
+            return {return: frame.arguments[0]};
+        };
+    } + ")();");
+
+function f(i) { debugger; }
+for (var i = 0; i < 10; i++)
+    assertEq(f(i), i);