error: expected one of `,` or `:`, found `(` --> $DIR/issue-66357-unexpected-unreachable.rs:12:13 | LL | fn f() { |[](* } | ^ expected one of `,` or `:` error: expected one of `&`, `(`, `)`, `-`, `...`, `..=`, `..`, `[`, `_`, `box`, `mut`, `ref`, `|`, identifier, or path, found `*` --> $DIR/issue-66357-unexpected-unreachable.rs:12:13 | LL | fn f() { |[](* } | ^^ help: `)` may belong here | | | unclosed delimiter error: aborting due to 2 previous errors