[commit: ghc] wip/ci-i386, wip/linters, wip/ww-noinline: Fix warnings and fatal parsing errors (1ffee94)

[git at git.haskell.org]

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

On branches: wip/ci-i386,wip/linters,wip/ww-noinline
Link       : http://ghc.haskell.org/trac/ghc/changeset/1ffee940a011fc75f40514696a747dd1f3d4f342/ghc

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

commit 1ffee940a011fc75f40514696a747dd1f3d4f342
Author: Vladislav Zavialov <vlad.z.4096 at gmail.com>
Date:   Sat Feb 16 03:38:21 2019 +0300

    Fix warnings and fatal parsing errors


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

1ffee940a011fc75f40514696a747dd1f3d4f342
 compiler/backpack/DriverBkp.hs                     |  3 +-
 compiler/cmm/CmmMonad.hs                           |  2 +-
 compiler/cmm/CmmParse.y                            |  7 +-
 compiler/main/ErrUtils.hs                          | 10 +++
 compiler/main/GHC.hs                               | 16 ++--
 compiler/main/HeaderInfo.hs                        |  7 +-
 compiler/main/HscMain.hs                           | 36 ++++-----
 compiler/main/HscTypes.hs                          |  9 ++-
 compiler/main/InteractiveEval.hs                   |  8 +-
 compiler/parser/Lexer.x                            | 85 +++++++++++++---------
 compiler/parser/Parser.y                           | 30 +++-----
 compiler/parser/RdrHsSyn.hs                        | 61 ++++++++--------
 testsuite/tests/parser/should_fail/T16270.hs       | 37 ++++++----
 testsuite/tests/parser/should_fail/T16270.stderr   | 39 ++++++++--
 testsuite/tests/parser/should_fail/T16270h.hs      | 13 ++++
 testsuite/tests/parser/should_fail/T16270h.stderr  | 11 +++
 testsuite/tests/parser/should_fail/T3095.hs        |  4 +-
 testsuite/tests/parser/should_fail/T3095.stderr    |  8 +-
 testsuite/tests/parser/should_fail/T9225.stderr    |  4 +-
 testsuite/tests/parser/should_fail/all.T           |  1 +
 .../tests/rename/should_fail/rnfail052.stderr      | 10 +++
 utils/haddock                                      |  2 +-
 22 files changed, 246 insertions(+), 157 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 1ffee940a011fc75f40514696a747dd1f3d4f342