modernc.org/cc@v1.0.1/testdata/gcc-6.3.0/gcc/testsuite/gcc.c-torture/compile/omit.c (about)

     1  omit (a, b)
     2      char a;
     3      char *b;
     4  {
     5    char x;
     6    int i;
     7    x = *b;
     8    b[1] = x;
     9    foo ((int)x);
    10    return x + 1;
    11  }