[GHC] #5001: makeCorePair: arity missing

[GHC]

#5001: makeCorePair: arity missing
-------------------------------------+-------------------------------------
        Reporter:  maeder            |                   Owner:
            Type:  bug               |                  Status:  new
        Priority:  high              |               Milestone:  7.4.1
       Component:  Compiler          |                 Version:  7.2.1
      Resolution:                    |                Keywords:
Operating System:  Unknown/Multiple  |            Architecture:
                                     |  Unknown/Multiple
 Type of failure:  Incorrect         |               Test Case:
  warning at compile-time            |  deSugar/should_compile/T5001
      Blocked By:                    |                Blocking:
 Related Tickets:                    |  Differential Revisions:
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Comment (by Simon Peyton Jones <simonpj@…>):

 In [changeset:"72d23c3e0244b1163d7806e40128ad51cc959f7f/ghc" 72d23c3/ghc]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="72d23c3e0244b1163d7806e40128ad51cc959f7f"
 Better treatment of signatures in cls/inst

 The provoking cause for this patch is Trac #5001, comment:23.  There
 was an INLINE pragma in an instance decl, that shouldn't be there.
 But there was no complaint, just a  mysterious WARN later.

 I ended up having to do some real refactoring but the result is,
 I think, simpler and more robust.
 }}}

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/5001#comment:24>
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