diff --git a/Lib/test/pickletester.py b/Lib/test/pickletester.py
index cab0523e351..4d491b0173c 100644
--- a/Lib/test/pickletester.py
+++ b/Lib/test/pickletester.py
@@ -707,6 +707,11 @@ class AbstractPickleTests(unittest.TestCase):
     def test_getinitargs(self):
         pass
 
+    def test_pop_empty_stack(self):
+        # Test issue7455
+        s = b'0'
+        self.assertRaises((pickle.UnpicklingError, IndexError), self.loads, s)
+
     def test_metaclass(self):
         a = use_metaclass()
         for proto in protocols:
@@ -1383,9 +1388,6 @@ class AbstractPickleModuleTests(unittest.TestCase):
         # Test issue4298
         s = bytes([0x58, 0, 0, 0, 0x54])
         self.assertRaises(EOFError, pickle.loads, s)
-        # Test issue7455
-        s = b'0'
-        self.assertRaises(pickle.UnpicklingError, pickle.loads, s)
 
 
 class AbstractPersistentPicklerTests(unittest.TestCase):
diff --git a/Misc/ACKS b/Misc/ACKS
index b5cead9bed7..514e95dbec9 100644
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -630,6 +630,7 @@ Mike Meyer
 Steven Miale
 Trent Mick
 Stan Mihai
+Stefan Mihaila
 Aristotelis Mikropoulos
 Damien Miller
 Chad Miller