don't make raw type equal to anything else (IDEA-192037)

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/genericsInnerClassHighlighting/GenericToRawAssignment.java

@@ -0,0 +1,7 @@
+class Outer<T> {
+    class Inner { }
+    Foo<Outer.Inner> m(Foo<Outer<Integer>.Inner> foo) {
+        <error descr="Incompatible types. Found: 'Foo<Outer<java.lang.Integer>.Inner>', required: 'Foo<Outer.Inner>'">return foo;</error>
+    }
+}
+class Foo<X> {}