2 files changed, 38 insertions, 0 deletions
diff --git a/src/tools/clippy/tests/ui-toml/borrow_interior_mutable_const/clippy.toml b/src/tools/clippy/tests/ui-toml/borrow_interior_mutable_const/clippy.toml
new file mode 100644
index 000000000..34a1036e8
--- /dev/null
+++ b/src/tools/clippy/tests/ui-toml/borrow_interior_mutable_const/clippy.toml
@@ -0,0 +1 @@
+ignore-interior-mutability = ["borrow_interior_mutable_const_ignore::Counted"]
+\ No newline at end of file
diff --git a/src/tools/clippy/tests/ui-toml/borrow_interior_mutable_const/ignore.rs b/src/tools/clippy/tests/ui-toml/borrow_interior_mutable_const/ignore.rs
new file mode 100644
index 000000000..79c7cef6c
--- /dev/null
+++ b/src/tools/clippy/tests/ui-toml/borrow_interior_mutable_const/ignore.rs
@@ -0,0 +1,37 @@
+//@compile-flags: --crate-name borrow_interior_mutable_const_ignore
+
+#![warn(clippy::borrow_interior_mutable_const)]
+#![allow(clippy::declare_interior_mutable_const)]
+
+use core::cell::Cell;
+use std::cmp::{Eq, PartialEq};
+use std::collections::{HashMap, HashSet};
+use std::hash::{Hash, Hasher};
+use std::ops::Deref;
+use std::sync::atomic::{AtomicUsize, Ordering};
+
+struct Counted<T> {
+    count: AtomicUsize,
+    val: T,
+}
+
+impl<T> Counted<T> {
+    const fn new(val: T) -> Self {
+        Self {
+            count: AtomicUsize::new(0),
+            val,
+        }
+    }
+}
+
+enum OptionalCell {
+    Unfrozen(Counted<bool>),
+    Frozen,
+}
+
+const UNFROZEN_VARIANT: OptionalCell = OptionalCell::Unfrozen(Counted::new(true));
+const FROZEN_VARIANT: OptionalCell = OptionalCell::Frozen;
+
+fn main() {
+    let _ = &UNFROZEN_VARIANT;
+}