Allow interior_mutable_consts in tests

Author: Urgau

library/core/tests/cell.rs

@@ -456,6 +456,7 @@ fn refcell_format() {
 }
 
 #[allow(dead_code)]
+#[cfg_attr(not(bootstrap), allow(interior_mutable_consts))]
 fn const_cells() {
     const UNSAFE_CELL: UnsafeCell<i32> = UnsafeCell::new(3);
     const _: i32 = UNSAFE_CELL.into_inner();

src/tools/clippy/tests/ui/borrow_interior_mutable_const/others.rs

@@ -1,6 +1,6 @@
 #![deny(clippy::borrow_interior_mutable_const)]
 #![allow(clippy::declare_interior_mutable_const, clippy::needless_borrow)]
-#![allow(const_item_mutation)]
+#![allow(const_item_mutation, interior_mutable_consts)]
 
 use std::borrow::Cow;
 use std::cell::{Cell, UnsafeCell};

src/tools/clippy/tests/ui/declare_interior_mutable_const/others.rs

@@ -1,5 +1,5 @@
 #![warn(clippy::declare_interior_mutable_const)]
-
+#![allow(interior_mutable_consts)]
 use std::borrow::Cow;
 use std::cell::Cell;
 use std::fmt::Display;

tests/ui/consts/issue-17718.rs

@@ -1,5 +1,6 @@
 //@ run-pass
 #![allow(dead_code)]
+#![allow(interior_mutable_consts)]
 //@ aux-build:issue-17718-aux.rs
 
 extern crate issue_17718_aux as other;