[GHC] #14683: Hole-y partial type signatures lead to slow compile times

GHC ghc-devs at haskell.org
Thu Jan 18 08:20:59 UTC 2018


#14683: Hole-y partial type signatures lead to slow compile times
-------------------------------------+-------------------------------------
        Reporter:  harpocrates       |                Owner:  (none)
            Type:  bug               |               Status:  new
        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:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
-------------------------------------+-------------------------------------

Comment (by simonpj):

 > a grammar whose generated code has lots of wildcards.

 Would be possible to upload a standalone example?  Perhaps just grab the
 offending generated file, remove unnecessary imports...

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/14683#comment:1>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler


More information about the ghc-tickets mailing list