Re: [PATCH] fortran: [PR118793] Additional expanded namelist read diagnostics

The master branch has been updated by Jerry DeLisle <[email protected]>:

https://gcc.gnu.org/g:86b7458e072b0651f8b04bcba64f5e2d1586bdec

commit r17-2906-g86b7458e072b0651f8b04bcba64f5e2d1586bdec
Author: Jerry DeLisle <[email protected]>
Date:   Tue Jul 28 19:02:36 2026 -0700

     fortran: [PR118793] Additional expanded namelist read diagnostics

On 8/3/26 9:48 AM, Jerry DeLisle wrote:
> In the absence of comments I plan to commit this later today.
> 
> On 8/1/26 5:52 AM, Jerry DeLisle wrote:
>> Ping.
>>
>> On 7/29/26 7:26 PM, Jerry DeLisle wrote:
>>> The attached patch is a continuation of my effort to give more 
>>> informative error messages for namelist reads. As mentioned in the 
>>> PR, for users with large namelist files this will help greatly with 
>>> identifying where in the namelist data file the error occurred.
>>>
>>> Regression tested on x86_64. A new test case added from Haralds 
>>> example in the PR.
>>>
>>> OK for mainline?
>>>
>>> Regards,
>>>
>>> Jerry
>>> ---
>>>
>>> fortran: [PR118793] Additional expanded namelist read diagnostics
>>>
>>> These changes add expanded diagnostics to error locations not addressed
>>> in the original patch. This is done by using a new helper function that
>>> saves the error message information for namelist related errors in a
>>> buffer and keeping a status bit in the st_parameter_dt structure.
>>>
>>>       PR libfortran/118793
>>>
>>> libgfortran/ChangeLog:
>>>
>>>       * io/io.h (NML_ERR_MSG_LEN): New macro.
>>>       (st_parameter_dt): Add nml_err_pending bit.
>>>       (gfc_unit): Add nml_err_msg.
>>>       * io/list_read.c (nml_error): New function.
>>>       (eat_separator): Use new function
>>>       (convert_integer): Likewise.
>>>       (convert_unsigned): Likewise.
>>>       (parse_repeat): Likewise.  Save the position where the repeat
>>>       count starts and report it.
>>>       (read_logical): Likewise.
>>>       (read_integer): Likewise.
>>>       (parse_real): Likewise.
>>>       (read_complex): Likewise.
>>>       (read_real): Likewise.
>>>       (check_type): Likewise.
>>>       (list_formatted_read_scalar): Likewise.
>>>       (read_character): Likewise.  Save the initial position of the 
>>> value
>>>       (nml_read_obj): Unwind to nml_err_ret on a deferred error.
>>>       (namelist_read): Store deferred errors in the unit's nml_err_msg
>>>       buffer.
>>>
>>> gcc/testsuite/ChangeLog:
>>>
>>>       * gfortran.dg/namelist_101.f90: Fix dg-do directive typo and
>>>       check the expanded diagnostic.
>>>       * gfortran.dg/namelist_104.f90: New test.
>>
>