[cvs-nhc98] patch applied (hat): Correct transformation of pattern bindings in do.

[Malcolm Wallace]

Fri Mar 16 11:42:07 PST 2001  olaf
  * Correct transformation of pattern bindings in do.
  Function dRemoveDo still assumed pre-Haskell98 translation that
  uses Monad.zero. Changed it to correctly use fail "...".
  Confusingly token fail is called t_zero, probably because
  t_fail is used by the tracer for different purposes.

    M ./src/compiler98/DbgDataTrans.hs -1 +8