1  /* PR rtl-optimization/94291 */
       2  /* { dg-do compile } */
       3  /* { dg-options "-Og" } */
       4  
       5  unsigned a;
       6  
       7  unsigned
       8  foo (void)
       9  {
      10    unsigned x
      11      = (__builtin_sub_overflow ((long long) a, 0, &x)
      12         ? 1 : (__INTPTR_TYPE__) __builtin_memmove (&x, foo, 1));
      13    return a;
      14  }