#![crate_type="lib"] #![no_std] #![feature(c_variadic)] use core::ffi::{VaList, VaListImpl}; pub unsafe extern "C" fn no_escape0<'f>(_: usize, ap: ...) -> VaListImpl<'f> { ap //~ ERROR: mismatched types } pub unsafe extern "C" fn no_escape1(_: usize, ap: ...) -> VaListImpl<'static> { ap //~ ERROR: mismatched types } pub unsafe extern "C" fn no_escape2(_: usize, ap: ...) { let _ = ap.with_copy(|ap| { ap }); //~ ERROR: cannot infer an appropriate lifetime } pub unsafe extern "C" fn no_escape3(_: usize, mut ap0: &mut VaListImpl, mut ap1: ...) { *ap0 = ap1; //~ ERROR: mismatched types } pub unsafe extern "C" fn no_escape4(_: usize, ap0: &mut VaListImpl, mut ap1: ...) { ap0 = &mut ap1; //~^ ERROR: a value of type `core::ffi::VaListImpl<'_>` is borrowed for too long //~| ERROR: mismatched types //~| ERROR: cannot infer an appropriate lifetime } pub unsafe extern "C" fn no_escape5(_: usize, mut ap0: &mut VaListImpl, mut ap1: ...) { *ap0 = ap1.clone(); //~ ERROR: mismatched types }