1 files changed, 12 insertions, 0 deletions
diff --git a/Lib/test/test_exceptions.py b/Lib/test/test_exceptions.py
index 03685b6354..f05d3c05e7 100644
--- a/Lib/test/test_exceptions.py
+++ b/Lib/test/test_exceptions.py
@@ -582,6 +582,18 @@ class ExceptionTests(unittest.TestCase):
             pass
         self.assertEqual(sys.exc_info(), (None, None, None))
 
+    def test_generator_doesnt_retain_old_exc(self):
+        def g():
+            self.assertIsInstance(sys.exc_info()[1], RuntimeError)
+            yield
+            self.assertEqual(sys.exc_info(), (None, None, None))
+        it = g()
+        try:
+            raise RuntimeError
+        except RuntimeError:
+            next(it)
+        self.assertRaises(StopIteration, next, it)
+
     def test_generator_finalizing_and_exc_info(self):
         # See #7173
         def simple_gen():