#5745: import-hidden symbol is still re-exported
------------------------------+---------------------------------------------
 Reporter:  j.waldmann        |          Owner:                  
     Type:  bug               |         Status:  new             
 Priority:  normal            |      Component:  Compiler        
  Version:  7.2.1             |       Keywords:                  
       Os:  Unknown/Multiple  |   Architecture:  Unknown/Multiple
  Failure:  None/Unknown      |       Testcase:                  
Blockedby:                    |       Blocking:                  
  Related:                    |  
------------------------------+---------------------------------------------
 In the following, I get different behaviour with
 ghc-7.0.4 and ghc-7.2.2:

 {{{
 module I ( module Text.ParserCombinators.Parsec ) where
 import Text.ParserCombinators.Parsec hiding ( State )
 }}}

 {{{
 module U where
 import I
 x = undefined :: State () ()
 }}}

 with ghc-7.0.4, I get the expected
 {{{
 ghc-7.0.4 --make U -package parsec-3.1.2
 [2 of 2] Compiling U                ( U.hs, U.o )

 U.hs:4:18: Not in scope: type constructor or class `State'
 }}}

 while ghc-7.2.2, it compiles.  Is this a feature?

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5745>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler

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