File: stdlib-prelude-from-opaque-late.rs

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//@ check-pass

#![feature(decl_macro)]
#![allow(dropping_copy_types)]

macro mac() {
    mod m {
        fn f() {
            std::mem::drop(0); // OK (extern prelude)
            drop(0); // OK (stdlib prelude)
        }
    }
}

mac!();

fn main() {}