a new impossible happened in ghci?

Peter Hercek phercek at gmail.com
Thu Jan 22 11:20:25 EST 2009


My preliminary search indicated this is new,
  but still, should I add this to GHC Trac?
Maybe I just cannot formulate my query well.

See the ghci session log at the end.


status:0 peter at dwarf [715] ~
% ghci
GHCi, version 6.10.1: http://www.haskell.org/ghc/  :? for help
Loading package ghc-prim ... linking ... done.
Loading package integer ... linking ... done.
Loading package base ... linking ... done.
Prelude> :def err (\_->return$concat$replicate(read "\"1\"") "a")
Prelude> :err
ghc: panic! (the 'impossible' happened)
   (GHC version 6.10.1 for i386-unknown-linux):
	Prelude.read: no parse

Please report this as a GHC bug:  http://www.haskell.org/ghc/reportabug

status:0 peter at dwarf [715] ~

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