modernc.org/ccgo/v3@v3.16.14/lib/testdata/gcc-9.1.0/gcc/testsuite/gcc.c-torture/execute/20170111-1.c (about)

     1  /* PR rtl-optimization/79032 */
     2  /* Reported by Daniel Cederman <cederman@gaisler.com> */
     3  
     4  extern void abort (void);
     5  
     6  struct S {
     7    short a;
     8    long long b;
     9    short c;
    10    char d;
    11    unsigned short e;
    12    long *f;
    13  };
    14  
    15  static long foo (struct S *s) __attribute__((noclone, noinline));
    16  
    17  static long foo (struct S *s)
    18  {
    19    long a = 1;
    20    a /= s->e;
    21    s->f[a]--;
    22    return a;
    23  }
    24  
    25  int main (void)
    26  {
    27    long val = 1;
    28    struct S s = { 0, 0, 0, 0, 2, &val };
    29    val = foo (&s);
    30    if (val != 0)
    31      abort ();
    32    return 0;
    33  }