Merge 3.5 (issue #24867)

diff --cc Misc/NEWS
index 9e823c07d96cc76187b931815f535dbc6280d7af,0500cd2ab1c53fdcaca3a6d38dcbc3cb7afd9b68..574e279e917384a4f6a8fed0d15d12f927ac8524
--- 1/Misc/NEWS
--- 2/Misc/NEWS
+++ b/Misc/NEWS
@@@ -67,26 -85,11 +67,28 @@@ Librar
  
  - Issue #17527: Add PATCH to wsgiref.validator. Patch from Luca Sbardella.
  
 -- Issue #23812: Fix asyncio.Queue.get() to avoid loosing items on cancellation.
 -  Patch by Gustavo J. A. M. Carneiro.
 +- Issue #13938: 2to3 converts StringTypes to a tuple. Patch from Mark Hammond.
 +
 +- Issue #2091: open() accepted a 'U' mode string containing '+', but 'U' can
 +  only be used with 'r'. Patch from Jeff Balogh and John O'Connor.
 +
 +- Issue #8585: improved tests for zipimporter2. Patch from Mark Lawrence.
 +
 +- Issue #18622: unittest.mock.mock_open().reset_mock would recurse infinitely.
 +  Patch from Nicola Palumbo and Laurent De Buyst.
 +
 +- Issue #24426: Fast searching optimization in regular expressions now works
 +  for patterns that starts with capturing groups.  Fast searching optimization
 +  now can't be disabled at compile time.
 +
 +- Issue #23661: unittest.mock side_effects can now be exceptions again. This
 +  was a regression vs Python 3.4. Patch from Ignacio Rossi
 +
 +- Issue #13248: Remove deprecated inspect.getargspec and inspect.getmoduleinfo
 +  functions.
  
 -- Issue #24791: Fix grammar regression for call syntax: 'g(*a or b)'.
++- Issue #24867: Fix Task.get_stack() for 'async def' coroutines
+ 
  Documentation
  -------------