diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/debug/resumption-04.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/debug/resumption-04.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,15 @@
+// |jit-test| debug
+// Forced return from a generator frame.
+
+var g = newGlobal();
+g.debuggeeGlobal = this;
+g.eval("var dbg = new Debugger(debuggeeGlobal);" +
+       "dbg.onDebuggerStatement = function () { return {return: '!'}; };");
+
+function gen() {
+    yield '1';
+    debugger;  // Force return here. The value is ignored.
+    yield '2';
+}
+var x = [v for (v in gen())];
+assertEq(x.join(","), "1");