Issue #7788: Fix a crash produced by deleting a list slice with huge
step value.  Patch by Marcin Bachry.
diff --git a/Lib/test/test_array.py b/Lib/test/test_array.py
index dfd0fa4..9b289ab 100755
--- a/Lib/test/test_array.py
+++ b/Lib/test/test_array.py
@@ -882,6 +882,9 @@
         a = array.array(self.typecode, range(10))
         del a[::1000]
         self.assertEqual(a, array.array(self.typecode, [1,2,3,4,5,6,7,8,9]))
+        # test issue7788
+        a = array.array(self.typecode, range(10))
+        del a[9::1<<333]
 
     def test_assignment(self):
         a = array.array(self.typecode, range(10))