[commit: ghc] wip/T15809: Much more progress on tcFamTyPats (255ae41)

[git at git.haskell.org]

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

On branch  : wip/T15809
Link       : http://ghc.haskell.org/trac/ghc/changeset/255ae41f62927e154616dcf7e67bac160edb8aad/ghc

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

commit 255ae41f62927e154616dcf7e67bac160edb8aad
Author: Simon Peyton Jones <simonpj at microsoft.com>
Date:   Tue Nov 13 15:36:28 2018 +0000

    Much more progress on tcFamTyPats
    
    Main thing left to do: data family instances
    
    A handful of validate failures
    
    Reporting unused binders correctly
       polykinds/T13985
       indexed-types/should_fail/ExplicitForAllFams4a
       indexed-types/should_fail/ExplicitForAllFams4b
    
    extra error (ok)
       polykinds/T8616
       polykinds/T14846


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

255ae41f62927e154616dcf7e67bac160edb8aad
 compiler/prelude/TysPrim.hs                        |  19 +-
 compiler/typecheck/TcHsType.hs                     |   4 +-
 compiler/typecheck/TcInstDcls.hs                   |  14 +-
 compiler/typecheck/TcTyClsDecls.hs                 | 257 +++++++++------------
 compiler/types/Type.hs                             |  32 ++-
 testsuite/tests/ghci/scripts/T6018ghcifail.stderr  |   2 +-
 .../tests/th/TH_reifyExplicitForAllFams.stderr     |   6 +-
 .../typecheck/should_fail/LevPolyBounded.stderr    |   5 +
 testsuite/tests/typecheck/should_fail/T14607.hs    |   2 +-
 .../tests/typecheck/should_fail/T14607.stderr      |  17 +-
 .../tests/typecheck/should_fail/T6018fail.stderr   |   2 +-
 testsuite/tests/typecheck/should_fail/all.T        |   2 +-
 12 files changed, 168 insertions(+), 194 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 255ae41f62927e154616dcf7e67bac160edb8aad