Zachary Turner f0c3f68e33 Make Windows always use multiprocessing-pool.
We still see "Too many file handles" errors on Windows even with
lower numbers of cores.  It's not clear what the right balance is,
and the bar seems to move as more tests get added.  So just use
the strategy that works until we can investigate more deeply.

llvm-svn: 252325
2015-11-06 18:14:31 +00:00
..