[GHC] #12652: Type checker no longer accepting code using function composition and rank-n types

GHC ghc-devs at haskell.org
Sun Oct 2 20:26:46 UTC 2016


#12652: Type checker no longer accepting code using function composition and rank-n
types
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        Reporter:  ezyang            |                Owner:  simonpj
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:  8.2.1
       Component:  Compiler (Type    |              Version:  8.1
  checker)                           |
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Comment (by ezyang):

 Confirmed that b612da667fe8fa5277fc78e972a86d4b35f98364 is the regressing
 commit.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/12652#comment:3>
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