File: reserved-attr-on-macro.rs

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#[rustc_attribute_should_be_reserved]
//~^ ERROR cannot find attribute `rustc_attribute_should_be_reserved` in this scope
//~| ERROR attributes starting with `rustc` are reserved for use by the `rustc` compiler

macro_rules! foo {
    () => (());
}

fn main() {
    foo!(); //~ ERROR cannot determine resolution for the macro `foo`
}