Auto merge of #125552 - matthiaskrgr:rollup-f1yybpn, r=matthiaskrgr

Rollup of 7 pull requests

Successful merges:

 - #121377 (Stabilize `LazyCell` and `LazyLock`)
 - #122986 (Fix c_char on AIX)
 - #123803 (Fix `VecDeque::shrink_to` UB when `handle_alloc_error` unwinds.)
 - #124080 (Some unstable changes to where opaque types get defined)
 - #124667 (Stabilize `div_duration`)
 - #125472 (tidy: validate LLVM component names in tests)
 - #125523 (Exit the process a short time after entering our ctrl-c handler)

r? `@ghost`
`@rustbot` modify labels: rollup

Author: bors

clippy_dev/src/lib.rs

@@ -1,4 +1,3 @@
-#![feature(lazy_cell)]
 #![feature(let_chains)]
 #![feature(rustc_private)]
 #![cfg_attr(feature = "deny-warnings", deny(warnings))]

src/driver.rs

@@ -2,7 +2,6 @@
 #![allow(rustc::untranslatable_diagnostic)]
 #![feature(rustc_private)]
 #![feature(let_chains)]
-#![feature(lazy_cell)]
 #![feature(lint_reasons)]
 #![cfg_attr(feature = "deny-warnings", deny(warnings))]
 // warn on lints, that are included in `rust-lang/rust`s bootstrap

tests/compile-test.rs

@@ -1,4 +1,3 @@
-#![feature(lazy_cell)]
 #![feature(is_sorted)]
 #![cfg_attr(feature = "deny-warnings", deny(warnings))]
 #![warn(rust_2018_idioms, unused_lifetimes)]

tests/dogfood.rs

@@ -3,7 +3,6 @@
 //!
 //! See [Eating your own dog food](https://en.wikipedia.org/wiki/Eating_your_own_dog_food) for context
 
-#![feature(lazy_cell)]
 #![cfg_attr(feature = "deny-warnings", deny(warnings))]
 #![warn(rust_2018_idioms, unused_lifetimes)]
 

tests/lint_message_convention.rs

@@ -1,4 +1,3 @@
-#![feature(lazy_cell)]
 #![cfg_attr(feature = "deny-warnings", deny(warnings))]
 #![warn(rust_2018_idioms, unused_lifetimes)]
 

tests/workspace.rs

@@ -1,5 +1,3 @@
-#![feature(lazy_cell)]
-
 use std::path::PathBuf;
 use std::process::Command;
 use test_utils::{CARGO_CLIPPY_PATH, IS_RUSTC_TEST_SUITE};