src/test/compile-fail/issue-36839.rs

   1 // Copyright 2017 The Rust Project Developers. See the COPYRIGHT
   2 // file at the top-level directory of this distribution and at
   3 // http://rust-lang.org/COPYRIGHT.
   4 //
   5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
   6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
   7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
   8 // option. This file may not be copied, modified, or distributed
   9 // except according to those terms.
  10
  11 #![feature(rustc_attrs)]
  12
  13 pub trait Foo {
  14     type Bar;
  15 }
  16
  17 pub trait Broken {
  18     type Assoc;
  19     fn broken(&self) where Self::Assoc: Foo;
  20 }
  21
  22 impl<T> Broken for T {
  23     type Assoc = ();
  24     fn broken(&self) where Self::Assoc: Foo {
  25         let _x: <Self::Assoc as Foo>::Bar;
  26     }
  27 }
  28
  29 #[rustc_error]
  30 fn main() { //~ ERROR compilation successful
  31     let _m: &Broken<Assoc=()> = &();
  32 }