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

     1  foo (a, p)
     2       char a;
     3       int *p;
     4  {
     5    int b = a;
     6    *p = b;
     7    a = (char) a;
     8    if (a)
     9      return b;
    10    else
    11      return b + 1;
    12  }