[cvs-nhc98] patch applied (hat): Directly produce tracing code for guards and if instead of combinators.

[Malcolm Wallace]

Fri May 11 10:19:47 PDT 2001  olaf
  * Directly produce tracing code for guards and if instead of combinators.
  
  This change makes the transformation only slightly longer and actually less complicated. However, an improvement in speed is hardly noticeably.
  Around 2% for mate.

    M ./src/compiler98/DbgId.hs -67 +20
    M ./src/compiler98/DbgTrans.hs -22 +75