JVM_IR KT-41214 emit PermittedSubclasses on JDK17+

compiler/ir/ir.tree.persistent/generator/src/org/jetbrains/kotlin/ir/persistentIrGenerator/Class.kt

@@ -22,6 +22,7 @@ internal fun PersistentIrGenerator.generateClass() {
         descriptorType("InlineClassRepresentation") + "<" + import("IrSimpleType", "org.jetbrains.kotlin.ir.types") + ">?",
         inlineClassRepresentationProto
     )
+    val sealedSubclassesField = Field("sealedSubclasses", +"List<" + irSymbol("IrClassSymbol") + ">", sealedSubclassListProto)
 
     writeFile("PersistentIrClass.kt", renderFile("org.jetbrains.kotlin.ir.declarations.persistent") {
         lines(
@@ -79,6 +80,7 @@ internal fun PersistentIrGenerator.generateClass() {
                 modalityField.toPersistentField(+"modality"),
                 inlineClassRepresentationField.toPersistentField(+"null"),
                 +"override var attributeOwnerId: " + IrAttributeContainer + " = this",
+                sealedSubclassesField.toPersistentField(+"emptyList()"),
             ),
             id,
         )()
@@ -93,6 +95,7 @@ internal fun PersistentIrGenerator.generateClass() {
             typeParametersField,
             superTypesField,
             inlineClassRepresentationField,
+            sealedSubclassesField,
         )()
     })
 
@@ -104,5 +107,6 @@ internal fun PersistentIrGenerator.generateClass() {
         typeParametersField,
         superTypesField,
         inlineClassRepresentationField,
+        sealedSubclassesField,
     )
 }

compiler/ir/ir.tree.persistent/generator/src/org/jetbrains/kotlin/ir/persistentIrGenerator/PersistentIrGenerator.kt

@@ -152,6 +152,7 @@ internal object PersistentIrGenerator {
     val valueParameterListProto = Proto("int64", "valueParameter", +"Long", IrValueParameterSymbol, fieldKind = FieldKind.REPEATED)
     val typeParameterListProto = Proto("int64", "typeParameter", +"Long", IrTypeParameterSymbol, fieldKind = FieldKind.REPEATED)
     val superTypeListProto = Proto("int32", "superType", +"Int", IrType, fieldKind = FieldKind.REPEATED)
+    val sealedSubclassListProto = Proto("int64", "sealedSubclass", +"Long", IrClassSymbol, fieldKind = FieldKind.REPEATED)
     val typeProto = Proto("int32", "type", +"Int", IrType, fieldKind = FieldKind.REQUIRED)
     val optionalTypeProto = Proto("int32", "type", +"Int", IrType, fieldKind = FieldKind.OPTIONAL)
     val variableProto = Proto("IrVariable", "variable", protoVariable, IrVariable)
@@ -187,6 +188,7 @@ internal object PersistentIrGenerator {
         valueParameterListProto,
         typeParameterListProto,
         superTypeListProto,
+        sealedSubclassListProto,
         typeProto,
         optionalTypeProto,
         classProto,