[GHC] #7704: Phantom types break new polykind Typeable with either StandaloneDeriving or AutoDeriveTypeable

GHC cvs-ghc at haskell.org
Fri Mar 8 11:44:20 CET 2013


#7704: Phantom types break new polykind Typeable with either StandaloneDeriving or
AutoDeriveTypeable
-----------------------------+----------------------------------------------
Reporter:  nwf               |          Owner:  dreixel         
    Type:  bug               |         Status:  new             
Priority:  normal            |      Component:  Compiler        
 Version:  7.7               |       Keywords:                  
      Os:  Unknown/Multiple  |   Architecture:  Unknown/Multiple
 Failure:  None/Unknown      |      Blockedby:                  
Blocking:                    |        Related:                  
-----------------------------+----------------------------------------------

Comment(by jpm@…):

 commit 25234646e96922e3f39e85134521da8552da42ad
 {{{
 Author: Jose Pedro Magalhaes <jpm at cs.ox.ac.uk>
 Date:   Fri Mar 8 08:35:11 2013 +0000

     Properly instantiate the kind of the tycon when deriving Typeable (FIX
 #7704)

  compiler/typecheck/TcDeriv.lhs |   51
 ++++++++++++++++++++++++---------------
  1 files changed, 31 insertions(+), 20 deletions(-)
 }}}

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/7704#comment:5>
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