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

     1  foo (a, b, c, d, e, f, g, h, i, j, xx)
     2       double xx;
     3  {
     4    return xx + 1.2345;
     5  }