PATCH ATTACHED Re: [PATCH, Fortran] PR78659 Spurious "requires DTIO" reported against namelist statement

[Paul Richard Thomas]

Hi Jerry,

This patch is good for both trunk and 7-branch.

Thanks!

Paul


On 11 May 2017 at 16:35, Jerry DeLisle <jvdelisle@charter.net> wrote:
> And the actual patch ...
>
> On 05/11/2017 08:30 AM, Jerry DeLisle wrote:
>>
>> Hi all,
>>
>> The attached patch fixes this issue by moving the DTIO namelist checks
>> from namelist resolution to READ/WRITE statement resolution.  This allows
>> the checks to be specific to the io_kind. The dtio_procs_present function is
>> moved and modified to accept the io_kind as an argument and check for the
>> specific DTIO procedure.
>>
>> The original dtio_procs_present function also had a segfault for one of
>> the test cases because in the particular case the accessed structures do not
>> exist. This is prevented by adding the appropriate guarding to avoid memory
>> accesses to never never land.
>>
>> Several new test cases added.  Regression tested on x86-64.
>>
>> OK for trunk.  I would like to recommend back porting to 7 after allowing
>> some time for testing.
>>
>> Regards,
>>
>> Jerry
>>
>> 2017-05-11  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
>>
>>      PR fortran/78659
>>      * io.c (dtio_procs_present): Add new function to check for DTIO
>>      procedures relative to I/O statement READ or WRITE.
>>      (gfc_resolve_dt): Add namelist checks using the new function.
>>      * resolve.c (dtio_procs_present): Remove function and related
>>      namelist checks. (resolve_fl_namelist): Add check specific to
>>      Fortran 95 restriction on namelist objects.
>
>



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