Issue #16588: Silence unused-but-set warnings in Python/thread_pthread.h

diff --cc Misc/NEWS
index 794365115b36085b48fd666da15dd70d113d1e5c,d930f3215449506bf41b775ca0f34483ae330b7c..291fb4c1ca23ee60af447d56eb30581e2f61e87f
--- 1/Misc/NEWS
--- 2/Misc/NEWS
+++ b/Misc/NEWS
@@@ -12,10 -10,7 +12,12 @@@ What's New in Python 3.3.1
  Core and Builtins
  -----------------
  
 -- Issue #16588: Silence unused-but-set warnings in Python/thread_pthread.h
++- Issue #16588: Silence unused-but-set warnings in Python/thread_pthread
++
 +- Issue #16546: Fix: ast.YieldFrom argument is now mandatory.
 +
 +- Issue #16514: Fix regression causing a traceback when sys.path[0] is None
 +  (actually, any non-string or non-bytes type).
  
  - Issue #16306: Fix multiple error messages when unknown command line
    parameters where passed to the interpreter.  Patch by Hieu Nguyen.

diff --cc Python/thread_pthread.h
Simple merge