// https://github.com/rust-lang/rust/pull/113099#issuecomment-1638206152
mod t2 {
#[derive(Debug)]
pub enum Error {}
}
pub use t2::*;
mod t3 {
pub trait Error {}
use self::t3::*;
fn a<E: Error>(_: E) {}
//~^ ERROR `Error` is ambiguous
fn main() {}