rust/src/test/ui/imports/extern-prelude-extern-crate-restricted-shadowing.rs

// aux-build:two_macros.rs

macro_rules! define_vec {
    () => {
        extern crate std as Vec;
    }
}

define_vec!();

mod m {
    fn check() {
        Vec::panic!(); //~ ERROR `Vec` is ambiguous
    }
}

fn main() {}