1  /* PR tree-optimization/63341 */
       2  
       3  #include "tree-vect.h"
       4  
       5  typedef union U { unsigned short s; unsigned char c; } __attribute__((packed)) U;
       6  struct S { char e __attribute__((aligned (64))); U s[32]; };
       7  struct S t = {0, {{1}, {2}, {3}, {4}, {5}, {6}, {7}, {8},
       8  		  {9}, {10}, {11}, {12}, {13}, {14}, {15}, {16},
       9  		  {17}, {18}, {19}, {20}, {21}, {22}, {23}, {24},
      10  		  {25}, {26}, {27}, {28}, {29}, {30}, {31}, {32}}};
      11  unsigned short d[32] = { 1 };
      12  
      13  __attribute__((noinline, noclone)) void
      14  foo ()
      15  {
      16    int i;
      17    for (i = 0; i < 32; i++)
      18      d[i] = t.s[i].s;
      19    if (__builtin_memcmp (d, t.s, sizeof d))
      20      abort ();
      21  }
      22  
      23  int
      24  main ()
      25  {
      26    check_vect ();
      27    foo ();
      28    return 0;
      29  }
      30