[commit: ghc] wip/T13904: update to current master (8ddb47c)

[git at git.haskell.org]

Repository : ssh://git@git.haskell.org/ghc

On branch  : wip/T13904
Link       : http://ghc.haskell.org/trac/ghc/changeset/8ddb47cfcf5776e9a3c55fd37947c8a95e00fa12/ghc

>---------------------------------------------------------------

commit 8ddb47cfcf5776e9a3c55fd37947c8a95e00fa12
Merge: baea1d6 6bb32ba
Author: Kavon Farvardin <kavon at farvard.in>
Date:   Tue Jul 25 15:25:37 2017 -0500

    update to current master



>---------------------------------------------------------------


Diff suppressed because of size. To see it, use:

    git diff-tree --root --patch-with-stat --no-color --find-copies-harder --ignore-space-at-eol --cc 8ddb47cfcf5776e9a3c55fd37947c8a95e00fa12