[GHC] #8017: Empty instance

[GHC]

#8017: Empty instance
-----------------------+----------------------------------------------------
Reporter:  wvv         |          Owner:      
    Type:  bug         |         Status:  new 
Priority:  normal      |      Component:  GHCi
 Version:  7.6.3       |       Keywords:      
      Os:  Windows     |   Architecture:  x86 
 Failure:  GHCi crash  |      Blockedby:      
Blocking:              |        Related:      
-----------------------+----------------------------------------------------
 Progam


 {{{
 module T1 where

         data T = T1 | T2

         instance Eq T

         t :: T -> T -> Bool
         t = (==)
 }}}

 use ghci (Windows XP, 32 bit)


 {{{
 GHCi, version 7.6.3: http://www.haskell.org/ghc/  :? for help
 Loading package ghc-prim ... linking ... done.
 Loading package integer-gmp ... linking ... done.
 Loading package base ... linking ... done.
 Prelude> :cd M:\Haskell
 Prelude> :load "T1.hs"
 [1 of 1] Compiling T1               ( T1.hs, interpreted )
 Ok, modules loaded: T1.
 *T1> t T1 T2
 *** Exception: stack overflow
 *T1>
 }}}

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/8017>
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