[commit: ghc] master: Fix Windows build, improve error reporting (#565) (b6c77f3)

[git at git.haskell.org]

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

On branch  : master
Link       : http://ghc.haskell.org/trac/ghc/changeset/b6c77f39778d739ba5fc4a920e0f8231e693d1e4/ghc

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commit b6c77f39778d739ba5fc4a920e0f8231e693d1e4
Author: Andrey Mokhov <andrey.mokhov at gmail.com>
Date:   Wed Apr 11 23:23:50 2018 +0100

    Fix Windows build, improve error reporting (#565)
    
    * Print diagnostic info in verbose mode
    
    * Try enable-distro-toolchain
    
    * Improve error handling


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b6c77f39778d739ba5fc4a920e0f8231e693d1e4
 appveyor.yml                       |  2 +-
 src/Hadrian/Haskell/Cabal/Parse.hs | 65 +++++++++++++++++++-------------------
 src/Hadrian/Oracles/TextFile.hs    |  9 +++++-
 src/Hadrian/Package.hs             |  5 +--
 4 files changed, 44 insertions(+), 37 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 b6c77f39778d739ba5fc4a920e0f8231e693d1e4