bug in ghc-5.00

[Simon Peyton-Jones]

Thanks for the report.  It's a known bug, and will be gone in the
upcoming patch release.

Workaround for now: expand type synonyms used on the RHS of other type
synonyms.

Simon

| -----Original Message-----
| From: John Meacham [mailto:john at foo.net] 
| Sent: 08 May 2001 00:35
| To: glasgow-haskell-bugs at haskell.org
| Subject: bug in ghc-5.00
| 
| 
| 
| mfl.hs is attatched.
| 
| ghc -c mfl.hs -Wall    
| 
| mfl.hs:8: Warning: Defined but not used: INil, IString
| 
| mfl.hs:12: Warning: Definition but no type signature for `isOp'
| 
| mfl.hs:27: Warning: Definition but no type signature for `parse'
| 
| mfl.hs:68: Warning: Definition but no type signature for `da'
| 
| mfl.hs:73: Warning: Definition but no type signature for `main'
| ghc-5.00: panic! (the `impossible' happened, GHC version 5.00):
| 	<<loop>>
| 
| Please report it as a compiler bug to 
| glasgow-haskell-bugs at haskell.org, or 
| http://sourceforge.net/projects/ghc/.
| 
| make: *** [mfl.o] Error 1
| 
| 
| -- 
| --------------------------------------------------------------
| John Meacham   http://www.ugcs.caltech.edu/~john/
| California Institute of Technology, Alum.  john at foo.net
| --------------------------------------------------------------
|