gcc/testsuite/gcc.dg/torture/pr57359-1.c

   1 /* { dg-do run } */
   2
   3 extern void abort();
   4
   5 typedef int A;
   6 typedef float B;
   7
   8 void __attribute__((noinline,noclone))
   9 foo(A *p, B *q, long unk)
  10 {
  11   for (long i = 0; i < unk; ++i) {
  12       *p = 1;
  13       q[i] = 42;
  14   }
  15 }
  16
  17 int main(void)
  18 {
  19   union { A x; B f; } u;
  20   foo(&u.x, &u.f, 1);
  21   if (u.f != 42) abort();
  22   return 0;
  23 }