error[E0038]: the trait `T` cannot be made into an object
  --> $DIR/issue-87495.rs:4:25
   |
LL |     const CONST: (bool, dyn T);
   |                         ^^^^^ `T` cannot be made into an object
   |
note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety>
  --> $DIR/issue-87495.rs:4:11
   |
LL | trait T {
   |       - this trait cannot be made into an object...
LL |     const CONST: (bool, dyn T);
   |           ^^^^^ ...because it contains this associated `const`
   = help: consider moving `CONST` to another trait

error: aborting due to 1 previous error

For more information about this error, try `rustc --explain E0038`.