[commit: ghc] wip/fix-i386-warning, wip/optsemi-unsafe-coerce: Fix #14579 by defining tyConAppNeedsKindSig, and using it (e88e083)

[git at git.haskell.org]

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

On branches: wip/fix-i386-warning,wip/optsemi-unsafe-coerce
Link       : http://ghc.haskell.org/trac/ghc/changeset/e88e083d62389d5c8d082a25395a3d933ab2f03b/ghc

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

commit e88e083d62389d5c8d082a25395a3d933ab2f03b
Author: Ryan Scott <ryan.gl.scott at gmail.com>
Date:   Tue Feb 5 19:57:29 2019 -0500

    Fix #14579 by defining tyConAppNeedsKindSig, and using it


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

e88e083d62389d5c8d082a25395a3d933ab2f03b
 compiler/hsSyn/HsUtils.hs                          |  87 +++---
 compiler/typecheck/TcSplice.hs                     | 120 +-------
 compiler/types/TyCoRep.hs                          | 305 +++++++++++++++++++--
 .../tests/deriving/should_compile/T14578.stderr    |  30 +-
 .../tests/deriving/should_compile/T14579.stderr    |  39 +++
 testsuite/tests/deriving/should_compile/T14579b.hs |  21 ++
 testsuite/tests/deriving/should_compile/all.T      |   3 +-
 testsuite/tests/deriving/should_fail/T15073.stderr |  21 +-
 utils/haddock                                      |   2 +-
 9 files changed, 422 insertions(+), 206 deletions(-)

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 e88e083d62389d5c8d082a25395a3d933ab2f03b