#[no_mangle]
pub fn řųśť() {} //~ `#[no_mangle]` requires ASCII identifier
+pub struct Foo;
+
+impl Foo {
+ #[no_mangle]
+ pub fn řųśť() {} //~ `#[no_mangle]` requires ASCII identifier
+}
+
+trait Bar {
+ fn řųśť();
+}
+
+impl Bar for Foo {
+ #[no_mangle]
+ fn řųśť() {} //~ `#[no_mangle]` requires ASCII identifier
+}
+
fn main() {}