error: expected identifier, found `+` --> $DIR/issue-33569.rs:2:8 | LL | { $+ } => { | ^ error: expected one of: `*`, `+`, or `?` --> $DIR/issue-33569.rs:6:13 | LL | $(x)(y) | ^^^ error: missing fragment specifier --> $DIR/issue-33569.rs:2:8 | LL | { $+ } => { | ^ error: missing fragment specifier --> $DIR/issue-33569.rs:2:8 | LL | { $+ } => { | ^ | = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! = note: for more information, see issue #40107 = note: `#[deny(missing_fragment_specifier)]` on by default error: aborting due to 4 previous errors