Skip on 32-bit platforms

Author: vstinner

Lib/test/test_bigaddrspace.py

@@ -68,6 +68,8 @@ def test_repeat(self):
         finally:
             x = None
 
+    @unittest.skipUnless(sys.maxsize >= 0x7FFFFFFF_FFFFFFFF,
+                         'need 64-bit size')
     def test_large_alloc(self):
         debug_bytes = 0
         if support.check_impl_detail(cpython=True) and support.Py_DEBUG: