src/tools/rustfmt/tests/source/issue-3709.rs - toolchain/rustc - Git at Google

 // rustfmt-edition: 2018

 macro_rules! token {
     ($t:tt) => {};
 }

 fn main() {
     token!(dyn);
     token!(dyn );
 }
	// rustfmt-edition: 2018

	macro_rules! token {
	($t:tt) => {};
	}

	fn main() {
	token!(dyn);
	token!(dyn );
	}