[GHC] #5610: zlib fails to build due to Safe Haskell on GHC master

[GHC]

#5610: zlib fails to build due to Safe Haskell on GHC master
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    Reporter:  bgamari         |       Owner:                   
        Type:  bug             |      Status:  new              
    Priority:  normal          |   Component:  libraries (other)
     Version:  7.3             |    Keywords:  zlib             
    Testcase:                  |   Blockedby:                   
          Os:  Linux           |    Blocking:                   
Architecture:  x86_64 (amd64)  |     Failure:  None/Unknown     
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Comment(by bgamari):

 While my knowledge of the restrictions imposed by Safe Haskell is quite
 limited, judging from the error messages it seems the declarations should
 be permissible (i.e. IO CInt is in the IO monad). Could this be due to the
 compiler?

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5610#comment:1>
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