ghc-5.04.2: panic! (the `impossible' happened, GHC version 5.04.2):

[Simon Peyton-Jones]

Excellent bug thank you.  Now fixed.

Simon

| -----Original Message-----
| From: Johannes Waldmann [mailto:joe at isun.informatik.uni-leipzig.de]
| Sent: 18 February 2003 11:24
| To: glasgow-haskell-bugs at haskell.org
| Subject: ghc-5.04.2: panic! (the `impossible' happened, GHC version
5.04.2):
| 
| class Foo a where foo :: a -> ()
| 
| data Bar = Bar { bar :: () }
| 
| instance Foo Bar where foo = bar
| 
| test :: Bar
| test = undefined { foo = () }
| 
| 
| the last line should be rejected, since there is no `foo' in `Bar'.
| 
| ghc-5.04.2: panic! (the `impossible' happened, GHC version 5.04.2):
|         tcSplitTyConApp a{-rY6-}
| 
| best regards,
| --
| -- Johannes Waldmann ---- http://www.informatik.uni-leipzig.de/~joe/
--
| -- joe at informatik.uni-leipzig.de -- phone/fax (+49) 341 9732 204/207
--
| 
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