1 files changed, 31 insertions, 0 deletions
diff --git a/src/test/ui/rfcs/rfc-2528-type-changing-struct-update/issue-96878.rs b/src/test/ui/rfcs/rfc-2528-type-changing-struct-update/issue-96878.rs
new file mode 100644
index 000000000..3dfbef0ee
--- /dev/null
+++ b/src/test/ui/rfcs/rfc-2528-type-changing-struct-update/issue-96878.rs
@@ -0,0 +1,31 @@
+// check-pass
+
+#![feature(type_changing_struct_update)]
+#![allow(incomplete_features)]
+
+use std::borrow::Cow;
+use std::marker::PhantomData;
+
+#[derive(Default)]
+struct NonGeneric {
+    field1: usize,
+}
+
+#[derive(Default)]
+struct Generic<T, U> {
+    field1: T,
+    field2: U,
+}
+
+#[derive(Default)]
+struct MoreGeneric<'a, const N: usize> {
+    // If only `for<const N: usize> [u32; N]: Default`...
+    field1: PhantomData<[u32; N]>,
+    field2: Cow<'a, str>,
+}
+
+fn main() {
+    let default1 = NonGeneric { ..Default::default() };
+    let default2: Generic<i32, f32> = Generic { ..Default::default() };
+    let default3: MoreGeneric<'static, 12> = MoreGeneric { ..Default::default() };
+}