Expand two-phase-borrows so that a case like this still compiles:

```rust
fn main() {
    fn reuse<X>(_: &mut X) {}
    let mut t = 2f64;
    match t {
        ref mut _b if { false } => { reuse(_b); }
        _ => {}
    }
}
```

Note: The way this is currently written is confusing; when `autoref`
is off, then the arm body bindings (introduced by
`bind_matched_candidate_for_arm_body`) are *also* used for the guard.
(Any attempt to fix this needs to still ensure that the bindings used
by the guard are introduced before the guard is evaluated.)

(Once we turn NLL on by default, we can presumably simplify all of
that.)

0 files changed, 0 insertions, 0 deletions