modernc.org/ccgo/v3@v3.16.14/lib/testdata/gcc-9.1.0/gcc/testsuite/gcc.c-torture/execute/930429-1.c (about)

     1  char *
     2  f (char *p)
     3  {
     4    short x = *p++ << 16;
     5    return p;
     6  }
     7  
     8  main ()
     9  {
    10    char *p = "";
    11    if (f (p) != p + 1)
    12      abort ();
    13    exit (0);
    14  }