| //! regression test for <https://github.com/rust-lang/rust/issues/43057> | |
| //! user-defined `column!` macro must not shadow | |
| //! the built-in `column!()` used internally by `panic!()`. | |
| //@ check-pass | |
| #![allow(unused)] | |
| macro_rules! column { | |
| ($i:ident) => { | |
| $i | |
| }; | |
| } | |
| fn foo() -> ! { | |
| panic!(); | |
| } | |
| fn main() {} |