| // 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. |
| |
| // Regression test for #42602. It used to be that we had |
| // a dep-graph like |
| // |
| // typeck(foo) -> FnOnce -> typeck(bar) |
| // |
| // This was fixed by improving the resolution of the `FnOnce` trait |
| // selection node. |
| |
| // revisions:cfail1 cfail2 cfail3 |
| // compile-flags:-Zquery-dep-graph |
| // compile-pass |
| |
| #![feature(rustc_attrs)] |
| |
| fn main() { |
| a::foo(); |
| b::bar(); |
| } |
| |
| mod a { |
| #[cfg(cfail1)] |
| pub fn foo() { |
| let x = vec![1, 2, 3]; |
| let v = || ::std::mem::drop(x); |
| v(); |
| } |
| |
| #[cfg(not(cfail1))] |
| pub fn foo() { |
| let x = vec![1, 2, 3, 4]; |
| let v = || ::std::mem::drop(x); |
| v(); |
| } |
| } |
| |
| mod b { |
| #[rustc_clean(cfg="cfail2")] |
| #[rustc_clean(cfg="cfail3")] |
| pub fn bar() { |
| let x = vec![1, 2, 3]; |
| let v = || ::std::mem::drop(x); |
| v(); |
| } |
| } |