diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/debug/Frame-identity-01.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/debug/Frame-identity-01.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,20 @@
+// |jit-test| debug
+// Check that {return:} resumption kills the current stack frame.
+
+var g = newGlobal();
+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.live, false);
+            prev = frame;
+            return {return: frame.arguments[0]};
+        };
+    } + ")();");
+
+function f(i) { debugger; }
+for (var i = 0; i < 10; i++)
+    assertEq(f(i), i);