tests: use PointeeSized to re-unconstrain params

These tests expected entirely unconstrained parameters and their `?Sized`
bounds are no longer sufficient to achieve that.

Author: davidtwco

tests/ui/traits/resolve-impl-before-constrain-check.rs

@@ -1,12 +1,15 @@
 // Need a different module so we try to build the mir for `test`
 // before analyzing `mod foo`.
+#![feature(sized_hierarchy)]
 
 mod foo {
+    use std::marker::PointeeSized;
+
     pub trait Callable {
         fn call();
     }
 
-    impl<V: ?Sized> Callable for () {
+    impl<V: PointeeSized> Callable for () {
     //~^ ERROR the type parameter `V` is not constrained by the impl trait, self type, or predicates
         fn call() {}
     }

tests/ui/traits/resolve-impl-before-constrain-check.stderr

@@ -1,7 +1,7 @@
 error[E0207]: the type parameter `V` is not constrained by the impl trait, self type, or predicates
-  --> $DIR/resolve-impl-before-constrain-check.rs:9:10
+  --> $DIR/resolve-impl-before-constrain-check.rs:12:10
    |
-LL |     impl<V: ?Sized> Callable for () {
+LL |     impl<V: PointeeSized> Callable for () {
    |          ^ unconstrained type parameter
 
 error: aborting due to 1 previous error

tests/ui/traits/unconstrained-projection-normalization-2.current.stderr

@@ -1,7 +1,7 @@
 error[E0207]: the type parameter `T` is not constrained by the impl trait, self type, or predicates
-  --> $DIR/unconstrained-projection-normalization-2.rs:14:6
+  --> $DIR/unconstrained-projection-normalization-2.rs:16:6
    |
-LL | impl<T: ?Sized> Every for Thing {
+LL | impl<T: PointeeSized> Every for Thing {
    |      ^ unconstrained type parameter
 
 error: aborting due to 1 previous error

tests/ui/traits/unconstrained-projection-normalization-2.next.stderr

@@ -1,7 +1,7 @@
 error[E0207]: the type parameter `T` is not constrained by the impl trait, self type, or predicates
-  --> $DIR/unconstrained-projection-normalization-2.rs:14:6
+  --> $DIR/unconstrained-projection-normalization-2.rs:16:6
    |
-LL | impl<T: ?Sized> Every for Thing {
+LL | impl<T: PointeeSized> Every for Thing {
    |      ^ unconstrained type parameter
 
 error: aborting due to 1 previous error

tests/ui/traits/unconstrained-projection-normalization-2.rs

@@ -5,13 +5,15 @@
 //@ revisions: current next
 //@ ignore-compare-mode-next-solver (explicit revisions)
 //@[next] compile-flags: -Znext-solver
+#![feature(sized_hierarchy)]
+use std::marker::PointeeSized;
 
 struct Thing;
 
 pub trait Every {
     type Assoc;
 }
-impl<T: ?Sized> Every for Thing {
+impl<T: PointeeSized> Every for Thing {
 //~^ ERROR the type parameter `T` is not constrained
     type Assoc = T;
 }

tests/ui/traits/unconstrained-projection-normalization.current.stderr

@@ -1,7 +1,7 @@
 error[E0207]: the type parameter `T` is not constrained by the impl trait, self type, or predicates
-  --> $DIR/unconstrained-projection-normalization.rs:13:6
+  --> $DIR/unconstrained-projection-normalization.rs:15:6
    |
-LL | impl<T: ?Sized> Every for Thing {
+LL | impl<T: PointeeSized> Every for Thing {
    |      ^ unconstrained type parameter
 
 error: aborting due to 1 previous error

tests/ui/traits/unconstrained-projection-normalization.next.stderr

@@ -1,7 +1,7 @@
 error[E0207]: the type parameter `T` is not constrained by the impl trait, self type, or predicates
-  --> $DIR/unconstrained-projection-normalization.rs:13:6
+  --> $DIR/unconstrained-projection-normalization.rs:15:6
    |
-LL | impl<T: ?Sized> Every for Thing {
+LL | impl<T: PointeeSized> Every for Thing {
    |      ^ unconstrained type parameter
 
 error: aborting due to 1 previous error

tests/ui/traits/unconstrained-projection-normalization.rs

@@ -4,13 +4,15 @@
 //@ revisions: current next
 //@ ignore-compare-mode-next-solver (explicit revisions)
 //@[next] compile-flags: -Znext-solver
+#![feature(sized_hierarchy)]
+use std::marker::PointeeSized;
 
 struct Thing;
 
 pub trait Every {
     type Assoc;
 }
-impl<T: ?Sized> Every for Thing {
+impl<T: PointeeSized> Every for Thing {
 //~^ ERROR the type parameter `T` is not constrained
     type Assoc = T;
 }