#7349: -fth is deprecated without warning
------------------------------+---------------------------------------------
 Reporter:  guest             |          Owner:                  
     Type:  bug               |         Status:  patch           
 Priority:  normal            |      Component:  Compiler        
  Version:  7.6.1             |       Keywords:                  
       Os:  Unknown/Multiple  |   Architecture:  Unknown/Multiple
  Failure:  None/Unknown      |       Testcase:                  
Blockedby:                    |       Blocking:                  
  Related:                    |  
------------------------------+---------------------------------------------
Changes (by guest):

  * status:  new => patch


Comment:

 Fix is a one-liner. Bug: The operator (>>) was used for the (->) r monad,
 instead of DynP, and it ignored its left argument.

 {{{
 diff --git a/compiler/main/DynFlags.hs b/compiler/main/DynFlags.hs
 index 121c85f..138cb99 100644
 --- a/compiler/main/DynFlags.hs
 +++ b/compiler/main/DynFlags.hs
 @@ -2372,7 +2372,7 @@ fFlags = [
  fLangFlags :: [FlagSpec ExtensionFlag]
  fLangFlags = [
    ( "th",                               Opt_TemplateHaskell,
 -    deprecatedForExtension "TemplateHaskell" >> checkTemplateHaskellOk ),
 +    \x -> deprecatedForExtension "TemplateHaskell" x >>
 checkTemplateHaskellOk x ),
    ( "fi",                               Opt_ForeignFunctionInterface,
      deprecatedForExtension "ForeignFunctionInterface" ),
    ( "ffi",                              Opt_ForeignFunctionInterface,
 }}}

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/7349#comment:1>
GHC <http://www.haskell.org/ghc/>
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