make normalize return denotable type (IDEA-140528)

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/genericsHighlighting/RetrieveBoundFromCapturedWildcardUpperBoundOnNormalize.java

@@ -0,0 +1,9 @@
+class Test {
+  public final <T> T createStableValue(Class<?> aClass) {
+    return (T) createProxy(aClass.getSuperclass());
+  }
+
+  public static <T> T createProxy(final Class<T> superClass) {
+    return null;
+  }
+}