rust/tests/mir-opt/remove_zsts.get_union.RemoveZsts.diff

- // MIR for `get_union` before RemoveZsts
+ // MIR for `get_union` after RemoveZsts
  
  fn get_union() -> Foo {
      let mut _0: Foo;
      let mut _1: ();
  
      bb0: {
-         StorageLive(_1);
-         _1 = ();
-         _0 = Foo { x: move _1 };
-         StorageDead(_1);
+         nop;
+         nop;
+         _0 = Foo { x: const () };
+         nop;
          return;
      }
  }