error[E0618]: expected function, found `bool`
  --> $DIR/issue-51055-missing-semicolon-between-call-and-tuple.rs:4:5
   |
LL |   fn vindictive() -> bool { true }
   |   ----------------------- `vindictive` defined here returns `bool`
...
LL |       vindictive()
   |       -^^^^^^^^^^^- help: consider using a semicolon here to finish the statement: `;`
   |  _____|
   | |
LL | |     (1, 2)
   | |__________- call expression requires function

error: aborting due to 1 previous error

For more information about this error, try `rustc --explain E0618`.