gcc/testsuite/gcc.dg/torture/pr94206.c

   1 /* { dg-do run { target lp64 } } */
   2
   3 struct {
   4     unsigned long x:33;
   5 } s;
   6 typedef __typeof__(s.x + 0) uint33;
   7
   8 int main()
   9 {
  10   uint33 x;
  11   __builtin_memset(&x, -1, sizeof x);
  12   unsigned long u;
  13   __builtin_memcpy(&u, &x, sizeof u);
  14   if (u != -1ul)
  15     __builtin_abort ();
  16   return 0;
  17 }