#7827: GHC internal error: `a' is not in scope during type checking, but it
passed
the renamer
--------------------------------------+-------------------------------------
Reporter: guest | Owner:
Type: bug | Status: new
Priority: normal | Component: Compiler
Version: 7.6.2 | Keywords:
Os: Unknown/Multiple | Architecture: Unknown/Multiple
Failure: GHC rejects valid program | Blockedby:
Blocking: | Related:
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Comment(by monoidal):
Here's a smaller version.
{{{
{-# LANGUAGE ScopedTypeVariables #-}
module Main where
bug :: a -> Int
bug ((x :: a) :: a) = undefined
}}}
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/7827#comment:3>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler
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