b17e6680d6
Fixes #109543. When checking paths in HIR typeck, we don't want to check for const predicates since all we want might just be a function pointer. Therefore we move this to MIR constck and check that bounds are met during MIR constck.
38 lines
736 B
Rust
38 lines
736 B
Rust
// revisions: stock precise
|
|
#![feature(const_trait_impl)]
|
|
#![feature(const_mut_refs)]
|
|
#![cfg_attr(precise, feature(const_precise_live_drops))]
|
|
|
|
use std::marker::{Destruct, PhantomData};
|
|
|
|
struct NonTrivialDrop;
|
|
|
|
impl Drop for NonTrivialDrop {
|
|
fn drop(&mut self) {
|
|
println!("Non trivial drop");
|
|
}
|
|
}
|
|
|
|
struct ConstImplWithDropGlue(NonTrivialDrop);
|
|
|
|
impl const Drop for ConstImplWithDropGlue {
|
|
fn drop(&mut self) {}
|
|
}
|
|
|
|
const fn check<T: ~const Destruct>(_: T) {}
|
|
|
|
macro_rules! check_all {
|
|
($($exp:expr),*$(,)?) => {$(
|
|
const _: () = check($exp);
|
|
//~^ ERROR can't drop
|
|
//~| ERROR can't drop
|
|
)*};
|
|
}
|
|
|
|
check_all! {
|
|
NonTrivialDrop,
|
|
ConstImplWithDropGlue(NonTrivialDrop),
|
|
}
|
|
|
|
fn main() {}
|