Merged revisions 76763 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/trunk

........
  r76763 | antoine.pitrou | 2009-12-12 20:13:08 +0100 (sam., 12 déc. 2009) | 7 lines

  Issue #7466: segmentation fault when the garbage collector is called
  in the middle of populating a tuple.  Patch by Florent Xicluna.

  (note: no NEWS entry for trunk since the bug was introduced in 2.7/3.1)
........
diff --git a/Lib/test/test_tuple.py b/Lib/test/test_tuple.py
index c37adc2..53065bb 100644
--- a/Lib/test/test_tuple.py
+++ b/Lib/test/test_tuple.py
@@ -146,6 +146,9 @@
             pass
         self.check_track_dynamic(MyTuple, True)
 
+    def test_bug7466(self):
+        # Trying to untrack an unfinished tuple could crash Python
+        self._not_tracked(tuple(gc.collect() for i in range(101)))
 
 def test_main():
     support.run_unittest(TupleTest)