patch applied (packages/base): Rework previous: not a gcc bug after all

[Simon Marlow]

Thu Mar 23 08:12:29 PST 2006  Simon Marlow <simonmar at microsoft.com>
  * Rework previous: not a gcc bug after all
  It turns out that we were relying on behaviour that is undefined in C,
  and undefined behaviour in C means "the compiler can do whatever the
  hell it likes with your entire program".  So avoid that.

    M ./GHC/Show.lhs -6 +7
    M ./Makefile -4