1 files changed, 13 insertions, 0 deletions
diff --git a/src/test/ui/const-generics/forbid-non-structural_match-types.rs b/src/test/ui/const-generics/forbid-non-structural_match-types.rs
new file mode 100644
index 000000000..6ae9d5cfb
--- /dev/null
+++ b/src/test/ui/const-generics/forbid-non-structural_match-types.rs
@@ -0,0 +1,13 @@
+#![feature(adt_const_params)]
+#![allow(incomplete_features)]
+
+#[derive(PartialEq, Eq)]
+struct A;
+
+struct B<const X: A>; // ok
+
+struct C;
+
+struct D<const X: C>; //~ ERROR `C` must be annotated with `#[derive(PartialEq, Eq)]`
+
+fn main() {}