1 files changed, 29 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/debug/onExceptionUnwind-11.js b/js/src/jit-test/tests/debug/onExceptionUnwind-11.js
new file mode 100644
index 000000000..f5eb15df7
--- /dev/null
+++ b/js/src/jit-test/tests/debug/onExceptionUnwind-11.js
@@ -0,0 +1,29 @@
+// Closing legacy generators should not invoke the onExceptionUnwind hook.
+
+var g = newGlobal();
+var dbg = Debugger(g);
+dbg.onExceptionUnwind = function (frame, exc) {
+    log += "ERROR";
+    assertEq(0, 1);
+};
+g.eval(`
+var log = "";
+function f() {
+    function gen() {
+        try {
+            log += "yield";
+            yield 3;
+            yield 4;
+        } catch(e) {
+            log += "catch";
+        } finally {
+            log += "finally";
+        }
+    };
+    var it = gen();
+    assertEq(it.next(), 3);
+    it.close();
+};
+f();
+`);
+assertEq(g.log, "yieldfinally");