| //@ 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>) {} |