add and move trait solver cycle tests

tests/ui/traits/new-solver/overflow/recursive-self-normalization.rs

@@ -0,0 +1,16 @@
+//~ ERROR overflow evaluating the requirement `<T as Foo>::Assoc` [E0275]
+// compile-flags: -Ztrait-solver=next
+
+trait Foo {
+    type Assoc;
+}
+
+trait Bar {}
+fn needs_bar<S: Bar>() {}
+
+fn test<T: Foo<Assoc = <T as Foo>::Assoc>>() {
+    needs_bar::<T::Assoc>();
+    //~^ ERROR overflow evaluating the requirement `<T as Foo>::Assoc: Bar`
+}
+
+fn main() {}