Checking patch signal/tst-minsigstksz-1.c...
error: while searching for:
/* We do not try to test atomic operations exhaustively, only a simple
   atomic counter increment.  This is only safe if atomic_[u]int is
   unconditionally lock-free.  */
#ifdef __STDC_NO_ATOMICS__
# define TEST_ATOMIC_OPS 0
#else
# include <stdatomic.h>

error: patch failed: signal/tst-minsigstksz-1.c:38
error: signal/tst-minsigstksz-1.c: patch does not apply