1  #include <assert.h>
       2  #include <stdlib.h>
       3  
       4  struct str1 {
       5    int a;
       6    int b;
       7    int *c;
       8  };
       9  
      10  #define N 1024
      11  
      12  int
      13  main (int argc, char *argv[])
      14  {
      15    struct str1 s;
      16  
      17    s.a = 1;
      18    s.b = 2;
      19    s.c = (int *) malloc (sizeof (int) * N);
      20  
      21    for (int i = 0; i < N; i++)
      22      s.c[i] = i + 10;
      23  
      24    #pragma acc enter data copyin(s.a, s.b, s.c[0:N])
      25  
      26    #pragma acc serial present(s.a, s.b, s.c[0:N]) /* { dg-warning "using .vector_length \\(32\\)., ignoring 1" "" { target openacc_nvidia_accel_selected } } */
      27    {
      28      s.a = 3;
      29      s.b = 4;
      30      for (int i = 0; i < N; i++)
      31        s.c[i] = i + 20;
      32    }
      33  
      34    #pragma acc exit data copyout(s.a, s.b, s.c[0:N])
      35  
      36    assert (s.a == 3);
      37    assert (s.b == 4);
      38    for (int i = 0; i < N; i++)
      39      assert (s.c[i] == i + 20);
      40  
      41    free (s.c);
      42  
      43    return 0;
      44  }