[GHC] #2566: "ghc -c foo.bar" silently does nothing

[GHC]

#2566: "ghc -c foo.bar" silently does nothing
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    Reporter:  igloo    |       Owner:         
        Type:  bug      |      Status:  new    
    Priority:  normal   |   Milestone:  6.10.1 
   Component:  Driver   |     Version:  6.8.3  
    Severity:  normal   |    Keywords:         
  Difficulty:  Unknown  |    Testcase:         
Architecture:  Unknown  |          Os:  Unknown
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 `ghc -c foo.bar` silently does nothing. It thinks that `foo.bar` is an
 extra file to link, but `-c` means "do not link".

 Instead, it should give an error (or at the very least, a warning).

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/2566>
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