| // Copyright 2014 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. |
| |
| // Regression test for #36381. The monomorphization collector was asserting that |
| // there are no projection types, but the `<&str as |
| // StreamOnce>::Position` projection contained a late-bound region, |
| // and we don't currently normalize in that case until the function is |
| // actually invoked. |
| |
| pub trait StreamOnce { |
| type Position; |
| } |
| |
| impl<'a> StreamOnce for &'a str { |
| type Position = usize; |
| } |
| |
| pub fn parser<F>(_: F) { |
| } |
| |
| fn follow(_: &str) -> <&str as StreamOnce>::Position { |
| panic!() |
| } |
| |
| fn main() { |
| parser(follow); |
| } |