[GHC] #5095: Incoherent instance for Prelude type class accepted without incoherent instances option

[GHC]

#5095: Incoherent instance for Prelude type class accepted without incoherent
instances option
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    Reporter:  brunosoliveira           |        Owner:                             
        Type:  bug                      |       Status:  new                        
    Priority:  normal                   |    Milestone:  7.4.1                      
   Component:  Compiler (Type checker)  |      Version:  7.0.1                      
    Keywords:                           |     Testcase:                             
   Blockedby:                           |   Difficulty:                             
          Os:  Unknown/Multiple         |     Blocking:                             
Architecture:  Unknown/Multiple         |      Failure:  GHC accepts invalid program
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Changes (by igloo):

  * os:  MacOS X => Unknown/Multiple
  * component:  Compiler => Compiler (Type checker)
  * architecture:  x86 => Unknown/Multiple
  * milestone:  => 7.4.1


Comment:

 Thanks for the report

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5095#comment:2>
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