Type mismatch on &dyn Send

[lnicola]

use std::any::Any;

fn main() {
    let _: &(dyn Send + Sync) = &42; // Expected &(dyn Send + Sync), got &i32
    let _: &dyn Send = &42; // Expected &dyn Send, got &i32
    let _: &dyn Any = &42; // works
}

[lnicola]

Dupe of #11847.