[GHC] #11471: Kind polymorphism and unboxed types: bad things are happening

GHC ghc-devs at haskell.org
Wed Mar 16 01:17:17 UTC 2016


#11471: Kind polymorphism and unboxed types: bad things are happening
-------------------------------------+-------------------------------------
        Reporter:  bgamari           |                Owner:  goldfire
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  Compiler (Type    |              Version:  7.10.3
  checker)                           |             Keywords:  TypeInType,
      Resolution:                    |  LevityPolymorphism
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):  Phab:D1891
       Wiki Page:                    |
-------------------------------------+-------------------------------------

Comment (by Richard Eisenberg <eir@…>):

 In [changeset:"5d98b8bf249fab9bb0be6c5d4e8ddd4578994abb/ghc"
 5d98b8bf/ghc]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="5d98b8bf249fab9bb0be6c5d4e8ddd4578994abb"
 Clean up some pretty-printing in errors.

 It turns out that there were some pretty egregious mistakes
 in the code that suggested -fprint-explicit-kinds, which are
 fixed. This commit also reorders a bunch of error messages,
 which I think is an improvement.

 This also adds the test case for #11471, which is what
 triggered the cleanup in TcErrors. Now that #11473 is done,
 there is nothing more outstanding for #11471.

 test case: dependent/should_fail/T11471
 }}}

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/11471#comment:24>
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