modernc.org/ccgo/v3@v3.16.14/lib/testdata/gcc-9.1.0/gcc/testsuite/gcc.c-torture/execute/20070212-3.c (about)

     1  struct foo { int i; int j; };
     2  
     3  int bar (struct foo *k, int k2, int f, int f2)
     4  {
     5    int *p, *q;
     6    int res;
     7    if (f)
     8      p = &k->i;
     9    else
    10      p = &k->j;
    11    res = *p;
    12    k->i = 1;
    13    if (f2)
    14      q = p;
    15    else
    16      q = &k2;
    17    return res + *q;
    18  }
    19  
    20  extern void abort (void);
    21  
    22  int main()
    23  {
    24    struct foo k;
    25    k.i = 0;
    26    k.j = 1;
    27    if (bar (&k, 1, 1, 1) != 1)
    28      abort ();
    29    return 0;
    30  }