merge 3.5

diff --cc Misc/NEWS
index 53b1838d4f0232a979b5dbb090a855eb17c7c020,60d6c5f41bb6d04b1f581062dbacd32860144bb5..460789c6c8b157418c583788310512efd2b980da
--- 1/Misc/NEWS
--- 2/Misc/NEWS
+++ b/Misc/NEWS
@@@ -43,21 -34,12 +43,24 @@@ Core and Builtin
  Library
  -------
  
 +- Issue #27664: Add to concurrent.futures.thread.ThreadPoolExecutor()
 +  the ability to specify a thread name prefix.
 +
  - Issue #26750: unittest.mock.create_autospec() now works properly for
 -  subclasses of property() and other data descriptors.
 +  subclasses of property() and other data descriptors.  Removes the never
 +  publicly used, never documented unittest.mock.DescriptorTypes tuple.
 +
 +- Issue #26754: Undocumented support of general bytes-like objects
 +  as path in compile() and similar functions is now deprecated.
 +
 +- Issue #26800: Undocumented support of general bytes-like objects
 +  as paths in os functions is now deprecated.
 +
 +- Issue #27661: Added tzinfo keyword argument to datetime.combine.
  
+ - In the curses module, raise an error if window.getstr() is passed a negative
+   value.
+ 
  - Issue #27758: Fix possible integer overflow in the _csv module for large record
    lengths.