#5001: makeCorePair: arity missing
------------------------------------------------+---------------------------
  Reporter:  maeder                             |          Owner:  simonpj      
   
      Type:  bug                                |         Status:  new          
   
  Priority:  high                               |      Milestone:  7.4.1        
   
 Component:  Compiler                           |        Version:  7.2.1        
   
Resolution:                                     |       Keywords:               
   
  Testcase:                                     |      Blockedby:               
   
Difficulty:                                     |             Os:  
Unknown/Multiple
  Blocking:                                     |   Architecture:  
Unknown/Multiple
   Failure:  Incorrect warning at compile-time  |  
------------------------------------------------+---------------------------

Comment(by igloo):

 With `Foo.hs` and `Bar.hs` (both attached) and HEAD:

 {{{
 $ ghc --make Foo.hs -O -fforce-recomp
 [1 of 2] Compiling Bar              ( Bar.hs, Bar.o )
 [2 of 2] Compiling Foo              ( Foo.hs, Foo.o )
 makeCorePair: arity missing
     ( $cmap_sentence{v ajG} [lid] :: ghc-prim:GHC.Types.Float{(w) tc 3A}
                                      -> ghc-prim:GHC.Types.Int{(w) tc 3J}
                                      -> ghc-prim:GHC.Types.Char{(w) tc 3o}
                                      -> main:Bar.Result{tc r4}
 main:Foo.T{tc rjx} )
 }}}

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5001#comment:15>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler

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