rust/tests/codegen-units/item-collection/non-generic-drop-glue.rs

48 lines
1.1 KiB
Rust

//@ compile-flags:-Zprint-mono-items=eager
//@ compile-flags: -O
#![deny(dead_code)]
#![crate_type = "lib"]
//~ MONO_ITEM fn std::ptr::drop_in_place::<StructWithDrop> - shim(Some(StructWithDrop)) @@ non_generic_drop_glue-cgu.0[Internal]
struct StructWithDrop {
x: i32,
}
impl Drop for StructWithDrop {
//~ MONO_ITEM fn <StructWithDrop as std::ops::Drop>::drop
fn drop(&mut self) {}
}
struct StructNoDrop {
x: i32,
}
//~ MONO_ITEM fn std::ptr::drop_in_place::<EnumWithDrop> - shim(Some(EnumWithDrop)) @@ non_generic_drop_glue-cgu.0[Internal]
enum EnumWithDrop {
A(i32),
}
impl Drop for EnumWithDrop {
//~ MONO_ITEM fn <EnumWithDrop as std::ops::Drop>::drop
fn drop(&mut self) {}
}
enum EnumNoDrop {
A(i32),
}
//~ MONO_ITEM fn start
#[no_mangle]
pub fn start(_: isize, _: *const *const u8) -> isize {
let _ = StructWithDrop { x: 0 }.x;
let _ = StructNoDrop { x: 0 }.x;
let _ = match EnumWithDrop::A(0) {
EnumWithDrop::A(x) => x,
};
let _ = match EnumNoDrop::A(0) {
EnumNoDrop::A(x) => x,
};
0
}