mirror of
https://github.com/rust-lang/rust.git
synced 2024-11-25 16:24:46 +00:00
15 lines
472 B
Rust
15 lines
472 B
Rust
//@ compile-flags: -O -C no-prepopulate-passes -Z mutable-noalias=yes
|
|
|
|
#![crate_type = "lib"]
|
|
|
|
use std::cell::{Ref, RefCell, RefMut};
|
|
|
|
// Make sure that none of the arguments get a `noalias` attribute, because
|
|
// the `RefCell` might alias writes after either `Ref`/`RefMut` is dropped.
|
|
|
|
// CHECK-LABEL: @maybe_aliased(
|
|
// CHECK-NOT: noalias
|
|
// CHECK-SAME: %_refcell
|
|
#[no_mangle]
|
|
pub unsafe fn maybe_aliased(_: Ref<'_, i32>, _: RefMut<'_, i32>, _refcell: &RefCell<i32>) {}
|