Add a test

rust-lang · Sep 14, 2024 · c547f51 · c547f51
1 parent f827364
commit c547f51
Showing 1 changed file with 9 additions and 0 deletions.
diff --git a/tests/ui/transmutability/enums/niche_optimization.rs b/tests/ui/transmutability/enums/niche_optimization.rs
@@ -154,3 +154,12 @@ fn no_niche() {
     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>();
+}