File: promoted-function-1.rs

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rustc 1.70.0%2Bdfsg1-9
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// build-fail
// compile-flags: -Zpolymorphize=on
#![crate_type = "lib"]
#![feature(rustc_attrs)]

fn foo<'a>(_: &'a ()) {}

#[rustc_polymorphize_error]
pub fn test<T>() {
    //~^ ERROR item has unused generic parameters
    foo(&());
}