simplCore/FloatOut.lhs:(393,0)-(394,45): Non-exhaustive patterns

[Christian Maeder]

Is the following failure known?

I got it after adding
{-# OPTIONS -fmax-simplifier-iterations0 #-}
to Logic_Haskell.hs

The corresponding .o file gets 15 MB large on a mac (if normally 
compiled with -O).
Christian

Compiling Haskell.Logic_Haskell ( ./Haskell/Logic_Haskell.hs, 
./Haskell/Logic_Haskell.o )
ghc-6.4.1: panic! (the `impossible' happened, GHC version 6.4.1):
         simplCore/FloatOut.lhs:(393,0)-(394,45): Non-exhaustive 
patterns in function getBindLevel

C.