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

     1  foo (a, b)
     2  {
     3    int c = a & b;
     4    if ((a & b) == 0)
     5      return 0;
     6    return c;
     7  }