Incorrect unreachable pattern when matching slice with ..

[stepancheg]

Code:

fn foo(v: &[int]) {
    match v {
        [_] => {},
        [_, ..] => {},
        _ => {},
    }
}

Wrong error is:

/home/vagrant/tmp2.rs:4:9: 4:16 error: unreachable pattern
/home/vagrant/tmp2.rs:4         [_, ..] => {},
                                ^~~~~~~
error: aborting due to previous error

[alexcrichton]

cc @jakub-

[ghost]

Duplicate of #15104. Still on it.

[alexcrichton]

Thanks! In that case, closing as a duplicate.