[Bug tree-optimization/55022] [4.8 Regression] air.f90 is miscompliled with -m64 -O2 -fgraphite-identity after revision 190619

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55022

--- Comment #26 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Tue Apr 22 13:33:37 2014
New Revision: 209633

URL: http://gcc.gnu.org/viewcvs?rev=209633&root=gcc&view=rev
Log:
2014-04-22  Richard Biener  <rguenther@suse.de>

    Backport from mainline
    2014-04-14  Richard Biener  <rguenther@suse.de>

    PR middle-end/55022
    * fold-const.c (negate_expr_p): Don't negate directional rounding
    division.
    (fold_negate_expr): Likewise.

    * gcc.dg/graphite/pr55022.c: New testcase.

Added:
    branches/gcc-4_9-branch/gcc/testsuite/gcc.dg/graphite/pr55022.c
Modified:
    branches/gcc-4_9-branch/gcc/ChangeLog
    branches/gcc-4_9-branch/gcc/fold-const.c
    branches/gcc-4_9-branch/gcc/testsuite/ChangeLog