//@ aux-build:proc_macro_sequence.rs // Regression test for issue #62831: Check that multiple sequences with the same span in the // left-hand side of a macro definition behave as if they had unique spans, and in particular that // they don't crash the compiler. #![allow(unused_macros)] extern crate proc_macro_sequence; // When ignoring spans, this macro has the same macro definition as `generated_foo` in // `proc_macro_sequence.rs`. macro_rules! manual_foo { (1 $x:expr $($y:tt,)* //~ERROR `$x:expr` may be followed by `$y:tt` $(= $z:tt)* //~ERROR `$x:expr` may be followed by `=` ) => {}; } proc_macro_sequence::make_foo!(); //~ERROR `$x:expr` may be followed by `$y:tt` //~^ERROR `$x:expr` may be followed by `=` fn main() {}