1 error[E0584]: found a documentation comment that doesn't document anything
2 --> $DIR/doc-before-extern-rbrace.rs:4:5
5 | ^^^^^^ this doc comment doesn't document anything
7 = help: doc comments must come before what they document, if a comment was intended use `//`
9 error: aborting due to previous error
11 For more information about this error, try `rustc --explain E0584`.