| -----Original Message-----
| From: Malcolm Wallace [mailto:[EMAIL PROTECTED]]
| Sent: Monday, December 18, 2000 12:22 PM
| To: [EMAIL PROTECTED]
| Subject: FFI problems?
|
|
| I just tried to compile this:
|
| > module Fib where
| > foreign export fib :: Int -> Int
| > fib 0 = 1
| > fib 1 = 1
| > fib n = fib (n-1) + fib (n-2)
|
| using GHC 4.08 under Linux,
|
| > $ ghc -c Fib.hs -fglasgow-exts
| >
| > panic! (the `impossible' happened):
| > tcLookupGlobalValue: <THIS>.PrelIOBase.returnIO{-0B,s-}
| >
| > Please report it as a compiler bug to
| [EMAIL PROTECTED]
|
| Can someone check whether this has been fixed in more recent versions
| of the compiler?
I think it was fixed in 4.08.1. In any case 4.08 has a nasty bug
in the NCG register allocator; you should move to 4.08.1 if you
haven't already.
J
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