modernc.org/ccgo/v3@v3.16.14/lib/testdata/gcc-9.1.0/gcc/testsuite/gcc.c-torture/execute/20010116-1.c (about)

     1  /* Distilled from optimization/863.  */
     2  
     3  extern void abort (void);
     4  extern void exit (int);
     5  extern void ok (int);
     6  
     7  typedef struct
     8  {
     9    int x, y, z;
    10  } Data;
    11  
    12  void find (Data *first, Data *last)
    13  {
    14    int i;
    15    for (i = (last - first) >> 2; i > 0; --i)
    16      ok(i);
    17    abort ();
    18  }
    19  
    20  void ok(int i)
    21  {
    22    if (i != 1)
    23      abort ();
    24    exit (0);
    25  }
    26  
    27  int
    28  main ()
    29  {
    30    Data DataList[4];
    31    find (DataList + 0, DataList + 4);
    32  }