rust/tests/ui/dep-graph/dep-graph-trait-impl-two-traits.rs

Ignoring revisions in .git-blame-ignore-revs. Click here to bypass and see the normal blame view.

46 lines
734 B
Rust
Raw Normal View History

// Test that adding an impl to a trait `Foo` does not affect functions
// that only use `Bar`, so long as they do not have methods in common.
// incremental
// compile-flags: -Z query-dep-graph
#![feature(rustc_attrs)]
#![allow(warnings)]
fn main() { }
pub trait Foo: Sized {
fn foo(self) { }
}
pub trait Bar: Sized {
fn bar(self) { }
}
mod x {
use {Foo, Bar};
#[rustc_if_this_changed]
impl Foo for char { }
impl Bar for char { }
}
mod y {
use {Foo, Bar};
#[rustc_then_this_would_need(typeck)] //~ ERROR OK
pub fn call_bar() {
char::bar('a');
}
}
mod z {
use y;
2020-07-17 08:47:04 +00:00
#[rustc_then_this_would_need(typeck)] //~ ERROR no path
pub fn z() {
y::call_bar();
}
}