vlib/v/checker/tests/c_fn_surplus_args.vv:7:4: error: expected 1 arguments, but got 0
    5 | fn main() {
    6 |     C.no(1) // allowed
    7 |     C.y1()
      |       ~~~~
    8 |     C.y1(1) // ok
    9 |     C.y1(1, 2)
vlib/v/checker/tests/c_fn_surplus_args.vv:9:4: error: expected 1 arguments, but got 2
    7 |     C.y1()
    8 |     C.y1(1) // ok
    9 |     C.y1(1, 2)
      |       ~~~~~~~~
   10 |     C.ret() // ok
   11 |     C.ret(1)
vlib/v/checker/tests/c_fn_surplus_args.vv:11:4: error: expected 0 arguments, but got 1
    9 |     C.y1(1, 2)
   10 |     C.ret() // ok
   11 |     C.ret(1)
      |       ~~~~~~
   12 |     // avoid cgen whilst warning, later above should error
   13 |     main()
vlib/v/checker/tests/c_fn_surplus_args.vv:13:2: error: the `main` function cannot be called in the program
   11 |     C.ret(1)
   12 |     // avoid cgen whilst warning, later above should error
   13 |     main()
      |     ~~~~~~
   14 | }