[cvs-nhc98] patch applied (hat): Fix field update bug in trusted transformation.

Tue Oct 10 07:20:34 EDT 2006

Fri Jul 19 06:28:24 PDT 2002  olaf
  * Fix field update bug in trusted transformation.

  Any field update caused a Prelude.undefined error, because the transformation checks that a combinator of the desired arity exists. The untrusted update combinator does not have an arity. Pretending that it has arity -1 solves the problem.

    M ./src/hattrans/TraceTrans.hs -9 +1