2008-12-23  Andrew Pinski  <pinski@gmail.com>

        PR middle-end/38590
        * fold-const.c (fold_binary): Call fold_convert on arguments to
        fold_build2 for negative divide optimization.

2008-12-23  Andrew Pinski  <pinskia@gmail.com>

        PR middle-end/38590
        * gcc.c-torture/compile/pr38590-1.c: New testcase.
        * gcc.c-torture/compile/pr38590-2.c: New testcase.

From-SVN: r142906