[Bug fortran/83650] [6/7/8 Regression] Wrong simplification in cshift with negative shifts

[tkoenig at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83650

--- Comment #4 from Thomas Koenig <tkoenig at gcc dot gnu.org> ---
Author: tkoenig
Date: Tue Jan  2 18:01:31 2018
New Revision: 256085

URL: https://gcc.gnu.org/viewcvs?rev=256085&root=gcc&view=rev
Log:
2018-01-02  Thomas Koenig  <tkoe...@gcc.gnu.org>

        PR fortran/83650
        * simplify.c (gfc_simplify_cshift): Correct contition for
        negative shifts.

2018-01-02  Thomas Koenig  <tkoe...@gcc.gnu.org>

        PR fortran/83650
        * gfortran.dg/simplify_cshift_1.f90: Correct condition.


Modified:
    branches/gcc-7-branch/gcc/fortran/ChangeLog
    branches/gcc-7-branch/gcc/fortran/simplify.c
    branches/gcc-7-branch/gcc/testsuite/ChangeLog
    branches/gcc-7-branch/gcc/testsuite/gfortran.dg/simplify_cshift_1.f90