modernc.org/ccgo/v3@v3.16.14/lib/testdata/gcc-9.1.0/gcc/testsuite/gcc.c-torture/execute/980612-1.c (about)

     1  struct fd
     2  {
     3  	unsigned char a;
     4  	unsigned char b;
     5  } f = { 5 };
     6  
     7  struct fd *g() { return &f; }
     8  int h() { return -1; }
     9  
    10  int main()
    11  {
    12  	struct fd *f = g();
    13  	f->b = h();
    14  	if (((f->a & 0x7f) & ~0x10) <= 2)
    15  		abort ();
    16  	exit (0);
    17  }