Re: [GHC] #14643: Partial type signatures in class constraints behave unexpectedly

10 Jan 2018

      #14643: Partial type signatures in class constraints behave unexpectedly
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        Reporter:  mnislaih          |                Owner:  (none)
            Type:  bug               |               Status:  merge
        Priority:  normal            |            Milestone:
       Component:  Compiler          |              Version:  8.2.2
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:  partial-
                                     |  sigs/should_compile/T14643, T14643a
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Comment (by Simon Peyton Jones ):

 In [changeset:"f3f90a079179e085295ee7edd2dda6505799370c/ghc"
 f3f90a07/ghc]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="f3f90a079179e085295ee7edd2dda6505799370c"
 Fix previous patch

 This recent patch
     commit 1577908f2a9db0fcf6f749d40dd75481015f5497
     Author: Simon Peyton Jones 
     Date:   Tue Jan 9 16:20:46 2018 +0000

         Fix two more bugs in partial signatures

         These were shown up by Trac #14643

 failed validation for typecheck/should_run/T10846
 (Reported in Trac #14658.)

 The fix is simple.
 }}}

-- 
Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/14643#comment:6
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