error[E0277]: cannot add `()` to `{integer}`
  --> $DIR/issue-50582.rs:2:18
   |
LL |     Vec::<[(); 1 + for x in 0..1 {}]>::new();
   |                  ^ no implementation for `{integer} + ()`
   |
   = help: the trait `std::ops::Add<()>` is not implemented for `{integer}`

error: aborting due to previous error

For more information about this error, try `rustc --explain E0277`.