rust/tests/ui/rfcs/rfc-2632-const-trait-impl/issue-102156.rs

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#![feature(allocator_api)]
#![feature(const_trait_impl)]
use core::convert::{From, TryFrom};
//~^ ERROR
//~| ERROR
use std::pin::Pin;
use std::alloc::Allocator;
impl<T: ?Sized, A: Allocator> const From<Box<T, A>> for Pin<Box<T, A>>
where
A: 'static,
{}
pub fn main() {}