1 error[E0507]: cannot move out of `v` in pattern guard
2 --> $DIR/rfc-reject-double-move-in-first-arm.rs:6:30
4 LL | A { a: v } if { drop(v); true } => v,
5 | ^ move occurs because `v` has type `Box<i32>`, which does not implement the `Copy` trait
7 = note: variables bound in patterns cannot be moved from until after the end of the pattern guard
9 error: aborting due to previous error
11 For more information about this error, try `rustc --explain E0507`.