[Bug fortran/88298] [7/8/9 Regression] Bogus conversion warning for CSHIFT with -fno-range-check -m64

[tkoenig at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88298

--- Comment #6 from Thomas Koenig <tkoenig at gcc dot gnu.org> ---
Author: tkoenig
Date: Sat Feb  2 16:53:28 2019
New Revision: 268477

URL: https://gcc.gnu.org/viewcvs?rev=268477&root=gcc&view=rev
Log:
2019-02-02  Thomas Koenig  <tkoenig@gcc.gnu.org>

        PR fortran/88298
        Backport from trunk
        * arith.c (gfc_int2int): Do not warn if src->do_not_warn is set.
        * gfortran.h (gfc_expr): Add flag do_not_warn.
        * intrinsic.c (gfc_convert_type_warn): Set expr->do_not_warn if
        no warning is desired.

2019-02-02  Thomas Koenig  <tkoenig@gcc.gnu.org>

        PR fortran/88298
        Backport from trunk
        * gfortran.dg/warn_conversion_10.f90: New test.


Added:
    branches/gcc-8-branch/gcc/testsuite/gfortran.dg/warn_conversion_10.f90
Modified:
    branches/gcc-8-branch/gcc/fortran/ChangeLog
    branches/gcc-8-branch/gcc/fortran/arith.c
    branches/gcc-8-branch/gcc/fortran/gfortran.h
    branches/gcc-8-branch/gcc/fortran/intrinsic.c
    branches/gcc-8-branch/gcc/testsuite/ChangeLog