warning: unnecessary `unsafe` block
  --> $DIR/union_destructure.rs:35:5
   |
LL |     unsafe {
   |     ^^^^^^ unnecessary `unsafe` block
   |
   = note: `#[warn(unused_unsafe)]` on by default

warning: unnecessary `unsafe` block
  --> $DIR/union_destructure.rs:41:5
   |
LL |     unsafe {
   |     ^^^^^^ unnecessary `unsafe` block

warning: 2 warnings emitted