arrow notation: incorrect scope of existential dictionaries
ghc-6.4: panic! (the `impossible' happened, GHC version6.4): cgPanic deref{v a1yz} static binds for: local binds for: SRT labelghc-6.4: panic! (the `impossible'happened, GHC version 6.4): initC: srtPlease report it as a compiler bug toglasgow-haskell-bugs@haskell.org,or http://sourceforge.net/projects/ghc/.I've attached a test driver that can reproduce the problem.-- Esa Pulkkinen <esa.pulkkinen@kotiposti.net>