new inference: initial tests

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/genericsHighlighting8/IDEA57307.java

@@ -0,0 +1,10 @@
+class C<<warning descr="Type parameter 'T' is never used">T</warning>>{}
+class A<<warning descr="Type parameter 'S' is never used">S</warning>,<warning descr="Type parameter 'T' is never used">T</warning>> {}
+class B<S,T extends C<S>> extends A<S,T> {
+    void foo(B<?,?> x){
+        bar(x);
+    }
+    <S, T> void bar(A<S,T> x){
+        System.out.println(x);
+    }
+}