[commit: ghc] master: Print warnings on parser failures (#12610). (49012eb)

[git at git.haskell.org]

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

On branch  : master
Link       : http://ghc.haskell.org/trac/ghc/changeset/49012ebc9ed44a0b1f8de3781e15c8115d3074f8/ghc

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

commit 49012ebc9ed44a0b1f8de3781e15c8115d3074f8
Author: Dave Laing <dave.laing.80 at gmail.com>
Date:   Mon May 15 16:09:11 2017 -0400

    Print warnings on parser failures (#12610).
    
    Test Plan: validate
    
    Reviewers: austin, bgamari, simonmar, mpickering
    
    Reviewed By: mpickering
    
    Subscribers: mpickering, rwbarton, thomie
    
    GHC Trac Issues: #12610
    
    Differential Revision: https://phabricator.haskell.org/D3584


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

49012ebc9ed44a0b1f8de3781e15c8115d3074f8
 compiler/backpack/DriverBkp.hs                   |  2 +-
 compiler/cmm/CmmMonad.hs                         |  2 +-
 compiler/cmm/CmmParse.y                          |  6 ++--
 compiler/main/GHC.hs                             | 13 ++++----
 compiler/main/HeaderInfo.hs                      |  4 ++-
 compiler/main/HscMain.hs                         |  8 +++--
 compiler/main/InteractiveEval.hs                 |  8 ++---
 compiler/parser/Lexer.x                          | 40 ++++++++++++++++--------
 testsuite/tests/parser/should_fail/T12610.hs     |  6 ++++
 testsuite/tests/parser/should_fail/T12610.stderr |  6 ++++
 testsuite/tests/parser/should_fail/all.T         |  3 +-
 11 files changed, 67 insertions(+), 31 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 49012ebc9ed44a0b1f8de3781e15c8115d3074f8