#1757: Simple example crashes GHC
-----------------------+----------------------------------------------------
Reporter: guest | Owner:
Type: bug | Status: new
Priority: normal | Milestone:
Component: Compiler | Version: 6.9
Severity: normal | Keywords:
Difficulty: Unknown | Os: Unknown
Testcase: | Architecture: Unknown
-----------------------+----------------------------------------------------
This file:
{{{
class Collects ce where
type Elem ce
empty :: ce
insert :: Elem ce -> ce -> ce
member :: Elem ce -> ce -> Bool
toList :: ce -> [Elem ce]
}}}
and call GHC as: ghci -fglasgow-exts Abc gives:
{{{
GHCi, version 6.9.20070927: http://www.haskell.org/ghc/ :? for help
Loading package base ... linking ... done.
[1 of 1] Compiling Main ( Abc.hs, interpreted )
ghc-6.9.20070927: panic! (the 'impossible' happened)
(GHC version 6.9.20070927 for i386-unknown-linux):
check_tau_type main:Main.Elem{tc rlp} ce{tv alz} [tv]
Please report this as a GHC bug: http://www.haskell.org/ghc/reportabug
}}}
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/1757>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler_______________________________________________
Glasgow-haskell-bugs mailing list
[email protected]
http://www.haskell.org/mailman/listinfo/glasgow-haskell-bugs
