File: promoted-function-2.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(generic_const_exprs, rustc_attrs)]
//~^ WARN the feature `generic_const_exprs` is incomplete

#[rustc_polymorphize_error]
fn test<T>() {
    //~^ ERROR item has unused generic parameters
    let x = [0; 3 + 4];
}

pub fn caller() {
    test::<String>();
    test::<Vec<String>>();
}