01d2b4ab6b
This uncovered a lot of bugs in compiletest and also some shortcomings of our existing JSON output. We had to add information to the JSON output, such as suggested text and macro backtraces. We also had to fix various bugs in the existing tests. Joint work with jntrnr.
61 lines
2.2 KiB
Rust
61 lines
2.2 KiB
Rust
// Copyright 2016 The Rust Project Developers. See the COPYRIGHT
|
|
// file at the top-level directory of this distribution and at
|
|
// http://rust-lang.org/COPYRIGHT.
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
|
|
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
|
|
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
|
|
// option. This file may not be copied, modified, or distributed
|
|
// except according to those terms.
|
|
|
|
use std::mem;
|
|
|
|
struct Misc<T:?Sized>(T);
|
|
|
|
fn check<T: Iterator, U: ?Sized>() {
|
|
// suggest a where-clause, if needed
|
|
mem::size_of::<U>();
|
|
//~^ ERROR `U: std::marker::Sized` is not satisfied
|
|
//~| HELP consider adding a `where U: std::marker::Sized` bound
|
|
//~| NOTE required by `std::mem::size_of`
|
|
|
|
mem::size_of::<Misc<U>>();
|
|
//~^ ERROR `U: std::marker::Sized` is not satisfied
|
|
//~| HELP consider adding a `where U: std::marker::Sized` bound
|
|
//~| NOTE required because it appears within the type `Misc<U>`
|
|
//~| NOTE required by `std::mem::size_of`
|
|
|
|
// ... even if T occurs as a type parameter
|
|
|
|
<u64 as From<T>>::from;
|
|
//~^ ERROR `u64: std::convert::From<T>` is not satisfied
|
|
//~| HELP consider adding a `where u64: std::convert::From<T>` bound
|
|
//~| NOTE required by `std::convert::From::from`
|
|
|
|
<u64 as From<<T as Iterator>::Item>>::from;
|
|
//~^ ERROR `u64: std::convert::From<<T as std::iter::Iterator>::Item>` is not satisfied
|
|
//~| HELP consider adding a `where u64:
|
|
//~| NOTE required by `std::convert::From::from`
|
|
|
|
// ... but not if there are inference variables
|
|
|
|
<Misc<_> as From<T>>::from;
|
|
//~^ ERROR `Misc<_>: std::convert::From<T>` is not satisfied
|
|
//~| NOTE required by `std::convert::From::from`
|
|
|
|
// ... and also not if the error is not related to the type
|
|
|
|
mem::size_of::<[T]>();
|
|
//~^ ERROR `[T]: std::marker::Sized` is not satisfied
|
|
//~| NOTE `[T]` does not have a constant size
|
|
//~| NOTE required by `std::mem::size_of`
|
|
|
|
mem::size_of::<[&U]>();
|
|
//~^ ERROR `[&U]: std::marker::Sized` is not satisfied
|
|
//~| NOTE `[&U]` does not have a constant size
|
|
//~| NOTE required by `std::mem::size_of`
|
|
}
|
|
|
|
fn main() {
|
|
}
|