Today's `gcc` bug is http://gcc.gnu.org/PR125958
There `gcc` failed to build `mesa-26.1.3` on this simplified input and crasted:
const short ar[9] = {};
void *memcpy(void *, const void *, unsigned long int);
void vcn_init_session_buf_fc(void * r) {
memcpy(r, ar,sizeof(ar));
}



