[patch, libgfortran] PR78387 OpenMP segfault/stack size exceeded writing to internal file

[Jerry DeLisle]

ping - I will commit if I hear no objections.

Jerry

On 08/19/2017 10:12 PM, Jerry DeLisle wrote:
> Hi all,
> 
> I have decided to simply delete the internal unit stack altogether.
> 
> The original intent was to save time with internal unit I/O by avoiding
> reallocating a gfc_unit structure every time an internal unit (aka string) is
> used for I/O.
> 
> After deleting and testing it appears no significant change in performance.
> 
> Regression tested on x86_64-linux. No new test case.
> 
> OK for trunk and then I think this should be backported to 7.
> 
> Regards,
> 
> Jerry
> 
> 2017-08-20  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
> 
>     PR libgfortran/78387
>     * io/list_read.c (nml_read_obj): Remove use of stash.
>     * io/transfer.c (st_read_done, st_write_done): Likewise.
>     * io/unit.c (stash_internal_unit): Delete function.
>     (get_unit): Remove use of stash.
>     (init_units): Likewise.
>     (close_units): Likewise.
>     * io/write.c (nml_write_obj): Likewise: