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|
// build-fail
#![feature(rustc_attrs)]
// O --> G --> C --> A
// \ \ \-> B
// | |-> F --> D
// | \-> E
// |-> N --> J --> H
// \ \-> I
// |-> M --> K
// \-> L
#[rustc_dump_vtable]
trait A {
//~^ error vtable
fn foo_a(&self) {}
}
#[rustc_dump_vtable]
trait B {
//~^ error vtable
fn foo_b(&self) {}
}
#[rustc_dump_vtable]
trait C: A + B {
//~^ error vtable
fn foo_c(&self) {}
}
#[rustc_dump_vtable]
trait D {
//~^ error vtable
fn foo_d(&self) {}
}
#[rustc_dump_vtable]
trait E {
//~^ error vtable
fn foo_e(&self) {}
}
#[rustc_dump_vtable]
trait F: D + E {
//~^ error vtable
fn foo_f(&self) {}
}
#[rustc_dump_vtable]
trait G: C + F {
fn foo_g(&self) {}
}
#[rustc_dump_vtable]
trait H {
//~^ error vtable
fn foo_h(&self) {}
}
#[rustc_dump_vtable]
trait I {
//~^ error vtable
fn foo_i(&self) {}
}
#[rustc_dump_vtable]
trait J: H + I {
//~^ error vtable
fn foo_j(&self) {}
}
#[rustc_dump_vtable]
trait K {
//~^ error vtable
fn foo_k(&self) {}
}
#[rustc_dump_vtable]
trait L {
//~^ error vtable
fn foo_l(&self) {}
}
#[rustc_dump_vtable]
trait M: K + L {
//~^ error vtable
fn foo_m(&self) {}
}
#[rustc_dump_vtable]
trait N: J + M {
//~^ error vtable
fn foo_n(&self) {}
}
#[rustc_dump_vtable]
trait O: G + N {
//~^ error vtable
fn foo_o(&self) {}
}
struct S;
impl A for S {}
impl B for S {}
impl C for S {}
impl D for S {}
impl E for S {}
impl F for S {}
impl G for S {}
impl H for S {}
impl I for S {}
impl J for S {}
impl K for S {}
impl L for S {}
impl M for S {}
impl N for S {}
impl O for S {}
macro_rules! monomorphize_vtable {
($trait:ident) => {{
fn foo(_ : &dyn $trait) {}
foo(&S);
}}
}
fn main() {
monomorphize_vtable!(O);
monomorphize_vtable!(A);
monomorphize_vtable!(B);
monomorphize_vtable!(C);
monomorphize_vtable!(D);
monomorphize_vtable!(E);
monomorphize_vtable!(F);
monomorphize_vtable!(H);
monomorphize_vtable!(I);
monomorphize_vtable!(J);
monomorphize_vtable!(K);
monomorphize_vtable!(L);
monomorphize_vtable!(M);
monomorphize_vtable!(N);
}
|
