Recorded merge of revisions 75123 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/trunk

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  r75123 | philip.jenvey | 2009-09-28 21:32:44 -0700 (Mon, 28 Sep 2009) | 4 lines

  #6990: clear threading.local's key only after its thread state is removed:
  fixes local subclasses leaving old state around after a ref cycle GC which
  could be recycled by new locals
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diff --git a/Misc/NEWS b/Misc/NEWS
index 93b8b6e..75f6947 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -12,6 +12,9 @@
 Core and Builtins
 -----------------
 
+- Issue #6990: Fix threading.local subclasses leaving old state around
+  after a reference cycle GC which could be recycled by new locals.
+
 - Issue #5460: Fix an ambiguity in the grammar.
 
 - Issue #1766304: Improve performance of membership tests on range objects.