error[E0438]: const `SPLOK` is not a member of trait `Drop`
  --> $DIR/nonsense-drop-impl-issue-139278.rs:5:5
   |
LL |     const SPLOK: u32 = 0;
   |     ^^^^^^^^^^^^^^^^^^^^^ not a member of trait `Drop`

error[E0046]: not all trait items implemented, missing: `drop`
  --> $DIR/nonsense-drop-impl-issue-139278.rs:4:1
   |
LL | impl Drop for Foo {
   | ^^^^^^^^^^^^^^^^^ missing `drop` in implementation
   |
   = help: implement the missing item: `fn drop(&mut self) { todo!() }`

error: aborting due to 2 previous errors

Some errors have detailed explanations: E0046, E0438.
For more information about an error, try `rustc --explain E0046`.