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

     1  foo (a, b, c)
     2       double a;
     3       int b;
     4       double c;
     5  {
     6    if (b)
     7      return a + c;
     8    else
     9      return a - c;
    10  }