forbid casting to nested wildcards (IDEA-71007)

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

@@ -0,0 +1,32 @@
+import java.util.List;
+
+public class Test {
+
+    interface P {
+
+    }
+
+    public abstract class AP implements P {
+
+    }
+
+    public class AP1 extends AP {
+
+    }
+
+    public class AP2 extends AP {
+
+    }
+
+    private static final List<Class<AP1>> AP_LIST = listOf(AP1.class);
+
+
+    private static <T> List<T> listOf(T... ts) {
+        return null;
+    }
+
+    public static void test() {
+        List<Class<? extends AP>> apList1 = <error descr="Inconvertible types; cannot cast 'java.util.List<java.lang.Class<Test.AP1>>' to 'java.util.List<java.lang.Class<? extends Test.AP>>'">(List<Class<? extends AP>>) AP_LIST</error>;
+        List<Class<? super AP1>> apList2 = <error descr="Inconvertible types; cannot cast 'java.util.List<java.lang.Class<Test.AP1>>' to 'java.util.List<java.lang.Class<? super Test.AP1>>'">(List<Class<? super AP1>>) AP_LIST</error>;
+    }
+}