From c547f51de10ad5e1d45a8b075c9000b1ecf6d5fa Mon Sep 17 00:00:00 2001
From: Ben Kimock <kimockb@gmail.com>
Date: Sat, 14 Sep 2024 17:30:07 -0400
Subject: [PATCH] Add a test

---
 tests/ui/transmutability/enums/niche_optimization.rs | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/tests/ui/transmutability/enums/niche_optimization.rs b/tests/ui/transmutability/enums/niche_optimization.rs
index 802d1747568..acb1856d082 100644
--- a/tests/ui/transmutability/enums/niche_optimization.rs
+++ b/tests/ui/transmutability/enums/niche_optimization.rs
@@ -154,3 +154,12 @@ enum OptionLike {
     assert::is_transmutable::<Pair<V1, MaybeUninit<u8>>, OptionLike>();
     assert::is_transmutable::<Pair<V2, MaybeUninit<u8>>, OptionLike>();
 }
+
+fn niche_fields() {
+    enum Kind {
+        A(bool, bool),
+        B(bool),
+    }
+
+    assert::is_transmutable::<u16, Kind>();
+}