rust/tests/ui/traits/vtable/vtable-vacant.rs

28 lines
381 B
Rust

#![feature(rustc_attrs)]
#![feature(negative_impls)]
// B --> A
trait A {
fn foo_a1(&self) {}
fn foo_a2(&self) where Self: Send {}
}
trait B: A {
fn foo_b1(&self) {}
fn foo_b2(&self) where Self: Send {}
}
struct S;
impl !Send for S {}
#[rustc_dump_vtable]
impl A for S {}
//~^ error vtable
#[rustc_dump_vtable]
impl B for S {}
//~^ error vtable
fn main() {}