id,summary,reporter,owner,description,type,status,priority,milestone,component,version,resolution,keywords,cc,os,architecture,failure,difficulty,testcase,blockedby,blocking,related
5721,Panic when quoting a scoped type variable,benmachine,,"{{{
{-# LANGUAGE TemplateHaskell, ScopedTypeVariables #-}
module GetNameOfThing where

import Language.Haskell.TH

f :: a -> Name
f (x :: a) = ''a
}}}
{{{
ghc: panic! (the 'impossible' happened)
  (GHC version 7.2.2 for i386-unknown-linux):
	th_bracket a{tv ahF}

Please report this as a GHC bug:  http://www.haskell.org/ghc/reportabug
}}}
The function is probably nonsense, but the error message could be friendlier.

Tested on GHC 7.2.2.",bug,closed,normal,7.4.2,Template Haskell,7.2.1,fixed,"template haskell, scoped type variables",,Unknown/Multiple,Unknown/Multiple,Compile-time crash,Unknown,th/T5721,,,