* the handling of pointer arithmetic in pass_1 moved to a new virtual method
  taddnode.first_addpointer. This will be overridden in the i8086 code generator
  in order to implement huge pointer arithmetic.

git-svn-id: http://svn.freepascal.org/svn/fpc/trunk@28138 3ad0048d-3df7-0310-abae-a5850022a9f2