[FIR] Supertype and inheritance checkers group

compiler/testData/diagnostics/tests/sealed/DerivedTopLevel.fir.kt

@@ -1,10 +1,10 @@
 sealed class Base
 
 class Derived: Base() {
-    class Derived2: Base()
+    class Derived2: <!SEALED_SUPERTYPE!>Base<!>()
 }
 
 fun test() {
-    class Local: Base()
+    class Local: <!SEALED_SUPERTYPE_IN_LOCAL_CLASS!>Base<!>()
 }