2005-11-26  Andrew Pinski  <pinskia@physics.uc.edu>

        PR middle-end/23669
        * fold-const.c (fold_binary): Convert -A/-B to A/B for signed types
        when overflow is undefined.
2005-11-26  Andrew Pinski  <pinskia@physics.uc.edu>

        PR middle-end/23669
        * gcc.dg/tree-ssa/divide-1.c: New test.
        * gcc.dg/tree-ssa/divide-2.c: New test.

From-SVN: r107543