[commit: ghc] ghc-8.2: Remove solveSomeEqualities (6c41ed6)

[git at git.haskell.org]

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

On branch  : ghc-8.2
Link       : http://ghc.haskell.org/trac/ghc/changeset/6c41ed6e7994451f78af87bff43d6baef19b8f0f/ghc

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

commit 6c41ed6e7994451f78af87bff43d6baef19b8f0f
Author: Richard Eisenberg <rae at cs.brynmawr.edu>
Date:   Thu Mar 16 15:56:37 2017 -0400

    Remove solveSomeEqualities
    
    I had thought that it was necessary to solve kind-level equalities
    before validity-checking a type, but I was wrong. This patch simply
    deletes code. Hooray!
    
    (cherry picked from commit 3cfee57abf00f794e7962e2a60efd9d7d8baf06f)


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

6c41ed6e7994451f78af87bff43d6baef19b8f0f
 compiler/typecheck/TcHsType.hs                     | 41 +++-----------
 compiler/typecheck/TcSimplify.hs                   | 62 +---------------------
 .../tests/partial-sigs/should_fail/T11976.stderr   |  7 ---
 3 files changed, 8 insertions(+), 102 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 6c41ed6e7994451f78af87bff43d6baef19b8f0f