src/test/ui/closures/issue-41366.rs

   1 trait T<'x> {
   2     type V;
   3 }
   4
   5 impl<'g> T<'g> for u32 {
   6     type V = u16;
   7 }
   8
   9 fn main() {
  10     (&|_| ()) as &dyn for<'x> Fn(<u32 as T<'x>>::V);
  11     //~^ ERROR: type mismatch in closure arguments
  12     //~| ERROR: size for values of type `<u32 as T<'_>>::V` cannot be known at compilation time
  13 }