rust/tests/codegen-units/item-collection/instantiation-through-vtable.rs
2023-01-11 09:32:08 +00:00

39 lines
958 B
Rust

//
// compile-flags:-Zprint-mono-items=eager -Zinline-in-all-cgus -Zmir-opt-level=0
#![deny(dead_code)]
#![feature(start)]
trait Trait {
fn foo(&self) -> u32;
fn bar(&self);
}
struct Struct<T> {
_a: T
}
impl<T> Trait for Struct<T> {
fn foo(&self) -> u32 { 0 }
fn bar(&self) {}
}
//~ MONO_ITEM fn start
#[start]
fn start(_: isize, _: *const *const u8) -> isize {
let s1 = Struct { _a: 0u32 };
//~ MONO_ITEM fn std::ptr::drop_in_place::<Struct<u32>> - shim(None) @@ instantiation_through_vtable-cgu.0[Internal]
//~ MONO_ITEM fn <Struct<u32> as Trait>::foo
//~ MONO_ITEM fn <Struct<u32> as Trait>::bar
let _ = &s1 as &Trait;
let s1 = Struct { _a: 0u64 };
//~ MONO_ITEM fn std::ptr::drop_in_place::<Struct<u64>> - shim(None) @@ instantiation_through_vtable-cgu.0[Internal]
//~ MONO_ITEM fn <Struct<u64> as Trait>::foo
//~ MONO_ITEM fn <Struct<u64> as Trait>::bar
let _ = &s1 as &Trait;
0
}