rust/tests/ui/issues/issue-11692-2.rs

fn main() {
    concat!(test!()); //~ ERROR cannot find macro `test` in this scope
}
Avoid returning original macro if expansion fails. Closes #11692. Instead of returning the original expression, a dummy expression (with identical span) is returned. This prevents infinite loops of failed expansions as well as odd double error messages in certain situations. 2014-02-18 16:14:12 +00:00			`fn main() {`
resolve: Remove `!` from "cannot find" diagnostics for macros 2019-09-15 10:12:14 +00:00			concat!(test!()); //~ ERROR cannot find macro `test` in this scope
Avoid returning original macro if expansion fails. Closes #11692. Instead of returning the original expression, a dummy expression (with identical span) is returned. This prevents infinite loops of failed expansions as well as odd double error messages in certain situations. 2014-02-18 16:14:12 +00:00			`}`