[commit: ghc] wip/T15809: More progress in tcFamTyPats (3baf793)

[git at git.haskell.org]

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

On branch  : wip/T15809
Link       : http://ghc.haskell.org/trac/ghc/changeset/3baf7933cef5bdc7be5e996f37938b7e54e01c7b/ghc

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

commit 3baf7933cef5bdc7be5e996f37938b7e54e01c7b
Author: Simon Peyton Jones <simonpj at microsoft.com>
Date:   Tue Nov 20 16:36:06 2018 +0000

    More progress in tcFamTyPats
    
    In particular, revert to taking account of the class
    instance types in tcFamTyPats, but by unification rather
    than by messing with tcInferApps


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

3baf7933cef5bdc7be5e996f37938b7e54e01c7b
 compiler/typecheck/Inst.hs         | 31 ++++++++++++------
 compiler/typecheck/TcHsType.hs     | 54 +++++++------------------------
 compiler/typecheck/TcTyClsDecls.hs | 65 +++++++++++++++++++++++++++-----------
 compiler/types/Type.hs             | 15 ++++++++-
 4 files changed, 93 insertions(+), 72 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 3baf7933cef5bdc7be5e996f37938b7e54e01c7b