The impossible happened

[Arjan van IJzendoorn]

Hi,

GHC gives me this message when compiling with the -O flag (it doesn't happen
without it):

ghc: panic! (the `impossible' happened, GHC version 5.02):
        Rules/Deprecations parse failed
    ./staticanalysis/Constraints.hi:63: error in character literal

Please report it as a compiler bug to glasgow-haskell-bugs at haskell.org,
or http://sourceforge.net/projects/ghc/.

The platform is Windows 2000. "Constraints.hi" is attached.

Greetings, Arjan

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