1 files changed, 19 insertions, 0 deletions
diff --git a/tests/ui/rfc-2632-const-trait-impl/const-closure-trait-method-fail.rs b/tests/ui/rfc-2632-const-trait-impl/const-closure-trait-method-fail.rs
new file mode 100644
index 000000000..b5f19e40c
--- /dev/null
+++ b/tests/ui/rfc-2632-const-trait-impl/const-closure-trait-method-fail.rs
@@ -0,0 +1,19 @@
+#![feature(const_trait_impl)]
+
+#[const_trait]
+trait Tr {
+    fn a(self) -> i32;
+}
+
+impl Tr for () {
+    fn a(self) -> i32 { 42 }
+}
+
+const fn need_const_closure<T: ~const FnOnce(()) -> i32>(x: T) -> i32 {
+    x(())
+}
+
+const _: () = assert!(need_const_closure(Tr::a) == 42);
+//~^ ERROR: the trait bound
+
+fn main() {}