[patch, fortran] Fix PR 88298

[Paul Richard Thomas]

OK - thanks for the patch.

Paul

On Sat, 2 Feb 2019 at 14:41, Thomas Koenig <tkoenig@netcologne.de> wrote:
>
> Hi,
>
> the attached patch fixes a 7/8/9 regression where a conversion warning
> was emitted for DIM.  The problem was that the no-warn flag had not been
> passed down to the arithmetic conversion routines, which is solved here
> by adding and using a flag in gfc_expr.
>
> Regression-tested.  OK for affected branches?
>
> Regards
>
>         Thomas
>
> 2019-02-02  Thomas Koenig  <tkoenig@gcc.gnu.org>
>
>          PR fortran/88298
>          * 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
>          * gfortran.dg/warn_conversion_10.f90: New test.



-- 
"If you can't explain it simply, you don't understand it well enough"
- Albert Einstein