Re: [patch, fortran] Fix two issues with unused/unset variable warnings.

On 7/4/26 4:33 AM, Thomas Koenig wrote:
> Hello world,
> 
> what it says in the ChangeLog.
> 
> OK for trunk?

Yes, OK and thanks Thomas.

Cheers,

Jerry>
> Best regards
> 
>      Thomas
> 
> Fix two issues with unused/unset variable warnings.
> 
> This patch fixes an ICE and adds correct diagnostics for reading/writing
> variables via namelist, plus sets error variables for STOP as used
> so incorrect warnings are avoided.
> 
> gcc/fortran/ChangeLog:
> 
>      PR fortran/126058
>      PR fortran/126090
>      * gfortran.h (gfc_dt): Add member nml_where.
>      * io.cc (match_dt_element): Set nml_where.
>      (gfc_resolve_dt): Mark variable in namelist to be read with
>      correct locus and VALUE_READ. Mark expression in write namelist as
>      used.
>      (match_io): Set nml_where for data transfer.
>      * resolve.cc: Mark code->expr1 as used for PAUSE, STOP and ERROR
>      STOP.
> 
> gcc/testsuite/ChangeLog:
> 
>      PR fortran/126058
>      PR fortran/126090
>      * gfortran.dg/warn_undefined_vars_5.f90: New test.
>      * gfortran.dg/warn_undefined_vars_6.f90: New test.