[commit: ghc] master: Fix #13333 by fixing the covar's type in ctEvCoercion (09bf135)

git at git.haskell.org git at git.haskell.org
Wed May 3 03:07:59 UTC 2017


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

On branch  : master
Link       : http://ghc.haskell.org/trac/ghc/changeset/09bf135ace55ce2572bf4168124d631e386c64bb/ghc

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

commit 09bf135ace55ce2572bf4168124d631e386c64bb
Author: Richard Eisenberg <rae at cs.brynmawr.edu>
Date:   Sun Apr 23 10:24:30 2017 -0400

    Fix #13333 by fixing the covar's type in ctEvCoercion
    
    The change is noted in Note [Given in ctEvCoercion]. This patch
    also adds a bit more commentary to TcFlatten, documenting some
    key invariants of the flattening algorithm. While in the area,
    I also removed some stale commentary from TcCanonical.


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

09bf135ace55ce2572bf4168124d631e386c64bb
 compiler/typecheck/TcCanonical.hs                  | 98 ++++------------------
 compiler/typecheck/TcFlatten.hs                    | 88 +++++++++++++++++--
 compiler/typecheck/TcRnTypes.hs                    | 21 +++--
 compiler/typecheck/TcSMonad.hs                     |  1 +
 testsuite/tests/typecheck/should_compile/T13333.hs | 28 +++++++
 testsuite/tests/typecheck/should_compile/all.T     |  1 +
 6 files changed, 143 insertions(+), 94 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 09bf135ace55ce2572bf4168124d631e386c64bb


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