2005-11-27 Andrew Pinski <pinskia@physics.uc.edu>

        PR middle-end/24575
        * fold-const.c (negate_expr_p): Add case for signed divides if overflow
        is undefined.
        (negate_expr): Likewise.
2005-11-27  Andrew Pinski  <pinskia@physics.uc.edu>

        PR middle-end/24575
        * gcc.dg/tree-ssa/divide-3.c: New test.
        * gcc.dg/tree-ssa/divide-4.c: New test.



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@107575 138bc75d-0d04-0410-961f-82ee72b054a4