[GHC] #5664: Missing checks for FFI declaration types

[GHC]

#5664: Missing checks for FFI declaration types
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    Reporter:  simonmar          |       Owner:  pcapriotti                 
        Type:  bug               |      Status:  patch                      
    Priority:  normal            |   Milestone:  7.6.1                      
   Component:  Compiler (FFI)    |     Version:  7.2.1                      
    Keywords:                    |          Os:  Unknown/Multiple           
Architecture:  Unknown/Multiple  |     Failure:  GHC accepts invalid program
  Difficulty:  Unknown           |    Testcase:                             
   Blockedby:                    |    Blocking:                             
     Related:                    |  
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Changes (by pcapriotti):

  * status:  new => patch


Comment:

 The attached patch performs the extra check using `eqType`.

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5664#comment:5>
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