Extends tests

- Extends the test to include tests covering the lints soon to be
  extended functionality.

Author: CrooseGit

tests/ui/lint/lint-redundant-sizedness-bound.rs

@@ -1,4 +1,7 @@
 #![deny(redundant_sizedness_bound)]
+#![feature(sized_hierarchy)]
+
+use std::marker::{MetaSized, PointeeSized};
 
 fn directly<T: Sized + ?Sized>(t: &T) {}
 //~^ ERROR redundant_sizedness_bound
@@ -102,6 +105,15 @@ mod larger_graph {
     //~^ ERROR redundant_sizedness_bound
 }
 
+trait S1: Sized {}
+fn meta_sized<T: MetaSized + S1>() {}
+//~^ ERROR redundant_sizedness_bound
+fn pointee_sized<T: PointeeSized + S1>() {}
+//~^ ERROR redundant_sizedness_bound
+trait M1: MetaSized {}
+fn pointee_metasized<T: PointeeSized + M1>() {}
+//~^ ERROR redundant_sizedness_bound
+
 // Should not lint
 
 fn sized<T: Sized>() {}