1 // Test that `#[rustc_copy_clone_marker]` is not injected when a user-defined derive shadows
2 // a built-in derive in non-trivial scope (e.g. in a nested module).
3 
4 // check-pass
5 // aux-build:derive-marker-tricky.rs
6 
7 extern crate derive_marker_tricky;
8 
9 mod m {
10     use derive_marker_tricky::NoMarker as Copy;
11 
12     #[derive(Copy)]
13     struct S;
14 }
15 
main()16 fn main() {}
17