modernc.org/ccgo/v3@v3.16.14/lib/testdata/gcc-9.1.0/gcc/testsuite/gcc.c-torture/execute/pr47925.c (about)

     1  struct s { volatile struct s *next; };
     2  
     3  void __attribute__((noinline))
     4  bar (int ignored, int n)
     5  {
     6    asm volatile ("");
     7  }
     8  
     9  int __attribute__((noinline))
    10  foo (volatile struct s *ptr, int n)
    11  {
    12    int i;
    13  
    14    bar (0, n);
    15    for (i = 0; i < n; i++)
    16      ptr = ptr->next;
    17  }
    18  
    19  int main (void)
    20  {
    21    volatile struct s rec = { &rec };
    22    foo (&rec, 10);
    23    return 0;
    24  }