[commit: ghc] master: Refactor error generation for pattern synonyms (9fc65bb)

[git at git.haskell.org]

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

On branch  : master
Link       : http://ghc.haskell.org/trac/ghc/changeset/9fc65bb85ef3e6386e84e7f9bbe408dede1baf67/ghc

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

commit 9fc65bb85ef3e6386e84e7f9bbe408dede1baf67
Author: Simon Peyton Jones <simonpj at microsoft.com>
Date:   Wed Mar 30 17:31:59 2016 +0100

    Refactor error generation for pattern synonyms
    
    The result of a series of patches on type-error messages for
    pattern synonyms had become a bit baroque. This tidies it up
    a bit.  Still not fantastic, but better.


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

9fc65bb85ef3e6386e84e7f9bbe408dede1baf67
 compiler/typecheck/TcErrors.hs                   | 255 ++++++++++++-----------
 compiler/typecheck/TcPatSyn.hs                   |  16 +-
 compiler/typecheck/TcRnTypes.hs                  |  20 +-
 compiler/typecheck/TcType.hs                     |  18 +-
 compiler/typecheck/TcValidity.hs                 |   8 +-
 testsuite/tests/patsyn/should_fail/T11039.stderr |   2 +-
 testsuite/tests/patsyn/should_fail/T11667.stderr |  16 +-
 7 files changed, 178 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 9fc65bb85ef3e6386e84e7f9bbe408dede1baf67