src/test/ui/parser/pat-lt-bracket-7.rs

fn main() {
    struct Thing(u8, [u8; 0]);
    let foo = core::iter::empty();

    for Thing(x[]) in foo {} //~ ERROR: expected one of `)`, `,`, or `@`, found `[`
}

const RECOVERY_WITNESS: () = 0; //~ ERROR mismatched types