1  /* PR c/83844 */
       2  /* { dg-do compile { target int32plus } } */
       3  /* { dg-options "-O0 -Wall" } */
       4  /* { dg-require-effective-target alloca } */
       5  
       6  typedef unsigned long long __u64 __attribute__((aligned(4),warn_if_not_aligned(8)));
       7  void bar (void *, void *, void *);
       8  
       9  void
      10  foo (int n)
      11  {
      12    struct A
      13    {
      14      int i1;
      15      int i2;
      16      int i3[n];
      17      __u64 x;	/* { dg-warning "in 'struct A' may not be aligned to 8" } */
      18    } __attribute__((aligned (8)));
      19    struct B
      20    {
      21      int i1;
      22      int i2;
      23      long long i3[n];
      24      __u64 x;
      25    } __attribute__((aligned (8)));
      26    struct C
      27    {
      28      int i1;
      29      int i2;
      30      int i3[2 * n];
      31      __u64 x;
      32    } __attribute__((aligned (8)));
      33    struct A a;
      34    struct B b;
      35    struct C c;
      36    bar (&a, &b, &c);
      37  }