[PATCH] openmp: Add support for omp_get_supported_active_levels

[Tobias Burnus]

See patch and thread at
https://gcc.gnu.org/pipermail/gcc-patches/2020-October/556570.html

Tobias

On 10/20/20 3:51 PM, David Edelsohn via Gcc-patches wrote:
> This patch broke bootstrap on AIX.
>
> /nasfarm/edelsohn/src/src/libgomp/target.c: In function
> 'gomp_target_init.part.':
> /nasfarm/edelsohn/src/src/libgomp/target.c:3367:45: error: array
> subscript [-19877956975980120, 19877956975980120] is outside array
> bounds of 'struct gomp_device_descr[0]' [-Werror=array-bounds]
>   3367 |       devices_s[num_devices_after_openmp++] = devices[i];
>        |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
> /nasfarm/edelsohn/src/src/libgomp/target.c:3353:7: note: referencing
> an object of size 0 allocated by 'malloc'
>   3353 |     = malloc (num_devices * sizeof (struct gomp_device_descr));
>        |       ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> /nasfarm/edelsohn/src/src/libgomp/target.c:3363:39: error: array
> subscript [-19877956975980120, 19877956975980120] is outside array
> bounds of 'struct gomp_device_descr[0]' [-Werror=array-bounds]
>   3363 |       devices_s[num_devices_openmp++] = devices[i];
>        |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
> /nasfarm/edelsohn/src/src/libgomp/target.c:3353:7: note: referencing
> an object of size 0 allocated by 'malloc'
>   3353 |     = malloc (num_devices * sizeof (struct gomp_device_descr));
>        |       ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-----------------
Mentor Graphics (Deutschland) GmbH, Arnulfstraße 201, 80634 München / Germany
Registergericht München HRB 106955, Geschäftsführer: Thomas Heurung, Alexander Walter