warning: unnecessary `unsafe` block
  --> $DIR/union.rs:61:5
   |
LL |     unsafe {
   |     ^^^^^^ unnecessary `unsafe` block
   |
   = note: `#[warn(unused_unsafe)]` on by default

warning: unnecessary `unsafe` block
  --> $DIR/union.rs:66:5
   |
LL |     unsafe {
   |     ^^^^^^ unnecessary `unsafe` block

warning: 2 warnings emitted