JS_IR: IrField.isFakeOverride

compiler/ir/backend.js/src/org/jetbrains/kotlin/ir/backend/js/JsDeclarationFactory.kt

@@ -62,9 +62,10 @@ class JsDeclarationFactory : DeclarationFactory {
             name,
             fieldType,
             visibility,
-            true,
+            isFinal = true,
-            false,
+            isExternal = false,
-            false
+            isStatic = false,
+            isFakeOverride = origin == IrDeclarationOrigin.FAKE_OVERRIDE
         ).also {
             descriptor.bind(it)
             it.parent = parent

compiler/ir/backend.js/src/org/jetbrains/kotlin/ir/backend/js/JsSharedVariablesManager.kt

@@ -158,9 +158,10 @@ class JsSharedVariablesManager(val builtIns: IrBuiltIns, val implicitDeclaration
             fieldName,
             builtIns.anyNType,
             Visibilities.PUBLIC,
-            false,
+            isFinal = false,
-            false,
+            isExternal = false,
-            false
+            isStatic = false,
+            isFakeOverride = false
         ).also {
             descriptor.bind(it)
             it.parent = closureBoxClassDeclaration

compiler/ir/backend.js/src/org/jetbrains/kotlin/ir/backend/js/lower/EnumClassLowering.kt

@@ -66,7 +66,11 @@ class EnumUsageLowering(val context: JsIrBackendContext) : FileLoweringPass {
         val descriptor = WrappedFieldDescriptor()
         val symbol = IrFieldSymbolImpl(descriptor)
         return entry.run {
-            IrFieldImpl(startOffset, endOffset, origin, symbol, name, irClass.defaultType, Visibilities.PUBLIC, false, true, true).also {
+            IrFieldImpl(
+                startOffset, endOffset, origin, symbol, name, irClass.defaultType, Visibilities.PUBLIC,
+                isFinal = false, isExternal = true, isStatic = true,
+                isFakeOverride = origin == IrDeclarationOrigin.FAKE_OVERRIDE
+            ).also {
                 descriptor.bind(it)
                 it.parent = irClass
                 irClass.declarations += it