diff -r 0632642c30dd Lib/tkinter/test/test_tkinter/test_widgets.py
--- a/Lib/tkinter/test/test_tkinter/test_widgets.py	Tue Nov 10 15:31:52 2015 +0200
+++ b/Lib/tkinter/test/test_tkinter/test_widgets.py	Tue Nov 10 17:46:12 2015 +0200
@@ -93,8 +93,17 @@ class ToplevelTest(AbstractToplevelTest,
         parent = self.create(container=True)
         wid = hex(parent.winfo_id())
         with self.subTest(wid=wid):
-            widget2 = self.create(use=wid)
-            self.assertEqual(widget2['use'], wid)
+            try:
+                widget2 = self.create(use=wid)
+            except TclError as exc:
+                # Tk bug: http://core.tcl.tk/tk/tktview?name=5ee8af61e5
+                if ('integer value too large to represent' in str(exc) and
+                    int(wid, 0) >= 2**31):
+                    self.skipTest('64-bit window identifier is not supported '
+                                  'by current Tk')
+                raise
+            else:
+                self.assertEqual(widget2['use'], wid)
 
 
 @add_standard_options(StandardOptionsTests)