[FE 1.0] Support java sealed classes

^KT-46778 Fixed

compiler/testData/codegen/boxModernJdk/testsWithJava17/compiledJavaSealedInterface.kt

@@ -0,0 +1,45 @@
+// ISSUE: KT-41215, KT-43551
+
+// MODULE: lib
+// FILE: Base.java
+public sealed interface Base permits A, B, E {}
+
+// FILE: A.java
+public non-sealed interface A extends Base {}
+
+// FILE: B.java
+public sealed interface B extends Base permits B.C, B.D {
+    public static final class C implements B {}
+
+    public static non-sealed interface D extends B {}
+}
+
+// FILE: E.java
+public enum E implements Base {
+    First, Second
+}
+
+// MODULE: main(lib)
+fun test_1(base: Base): String {
+    return when (base) {
+        is A -> "Fail A"
+        is B -> "Fail B"
+        is E -> "O"
+    }
+}
+
+fun test_2(base: Base): String {
+    return when (base) {
+        is A -> "Fail A"
+        is B.C -> "Fail B.C"
+        is B.D -> "K"
+        E.First -> "Fail E.First"
+        E.Second -> "Fail E.Second"
+    }
+}
+
+class MyD : B.D
+
+fun box(): String {
+    return test_1(E.First) + test_2(MyD())
+}