#![attr = Feature([c_variadic#0])]
extern crate std;
#[attr = PreludeImport]
use ::std::prelude::rust_2015::*;
//@ pretty-compare-only
//@ pretty-mode:hir
//@ pp-exact:hir-fn-variadic.pp


extern "C" {
    unsafe fn foo(x: i32, va1: ...);
}

unsafe extern "C" fn bar(_: i32, mut va2: ...)
    -> usize { va2.next_arg::<usize>() }

fn main() {
    fn g1(_: extern "C" fn(_: u8, va: ...)) { }
    fn g2(_: extern "C" fn(_: u8, _: ...)) { }
    fn g3(_: extern "C" fn(u8, va: ...)) { }
    fn g4(_: extern "C" fn(u8, _: ...)) { }

    fn g5(_: extern "C" fn(va: ...)) { }
    fn g6(_: extern "C" fn(_: ...)) { }

    {
        let _ =
            {
                unsafe extern "C" fn f1(_: u8, va: ...) { }
            };
    };
    {
        let _ =
            {
                unsafe extern "C" fn f2(_: u8, _: ...) { }
            };
    };

    {
        let _ =
            {
                unsafe extern "C" fn f5(va: ...) { }
            };
    };
    {
        let _ =
            {
                unsafe extern "C" fn f6(_: ...) { }
            };
    };
}
