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+Tests that the object-safety assertion via `impl dyn` is working:
+
+```rust compile_fail
+trait ObjectUnsafe: Sized {}
+
+#[dynamize::dynamize]
+trait Trait: ObjectUnsafe {}
+```
+
+```rust compile_fail
+trait ObjectUnsafe: Sized {}
+
+#[dynamize::dynamize]
+trait Trait {
+    type A: ObjectUnsafe;
+
+    fn f(&self) -> Self::A;
+}
+```