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));
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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