SYNTHETIC flag for internal members

compiler/backend/src/org/jetbrains/kotlin/codegen/AsmUtil.java

@@ -212,7 +212,7 @@ public class AsmUtil {
             flags |= ACC_ABSTRACT;
         }
 
-        if (JetTypeMapper.isAccessor(functionDescriptor)) {
+        if (JetTypeMapper.isAccessor(functionDescriptor) || functionDescriptor.getVisibility() == Visibilities.INTERNAL) {
             flags |= ACC_SYNTHETIC;
         }
 

compiler/backend/src/org/jetbrains/kotlin/codegen/PropertyCodegen.java

@@ -331,6 +331,10 @@ public class PropertyCodegen {
             modifiers |= ACC_PRIVATE;
         }
 
+        if (propertyDescriptor.getVisibility() == Visibilities.INTERNAL) {
+            modifiers |= ACC_SYNTHETIC;
+        }
+
         if (AsmUtil.isPropertyWithBackingFieldCopyInOuterClass(propertyDescriptor)) {
             ImplementationBodyCodegen parentBodyCodegen = (ImplementationBodyCodegen) memberCodegen.getParentCodegen();
             parentBodyCodegen.addCompanionObjectPropertyToCopy(propertyDescriptor, defaultValue);

compiler/frontend/src/org/jetbrains/kotlin/psi/addRemoveModifier.kt

@@ -33,7 +33,7 @@ private fun createModifierList(text: String, owner: JetModifierListOwner): JetMo
     return owner.addBefore(newModifierList, anchor) as JetModifierList
 }
 
-internal fun addModifier(owner: JetModifierListOwner, modifier: JetModifierKeywordToken) {
+fun addModifier(owner: JetModifierListOwner, modifier: JetModifierKeywordToken) {
     val modifierList = owner.modifierList
     if (modifierList == null) {
         createModifierList(modifier.value, owner)
@@ -43,7 +43,7 @@ internal fun addModifier(owner: JetModifierListOwner, modifier: JetModifierKeywo
     }
 }
 
-internal fun addAnnotationEntry(owner: JetModifierListOwner, annotationEntry: JetAnnotationEntry): JetAnnotationEntry {
+fun addAnnotationEntry(owner: JetModifierListOwner, annotationEntry: JetAnnotationEntry): JetAnnotationEntry {
     val modifierList = owner.modifierList
     return if (modifierList == null) {
         createModifierList(annotationEntry.text, owner).annotationEntries.first()
@@ -90,7 +90,7 @@ internal fun addModifier(modifierList: JetModifierList, modifier: JetModifierKey
     }
 }
 
-internal fun removeModifier(owner: JetModifierListOwner, modifier: JetModifierKeywordToken) {
+fun removeModifier(owner: JetModifierListOwner, modifier: JetModifierKeywordToken) {
     owner.getModifierList()?.let {
         it.getModifier(modifier)?.delete()
         if (it.firstChild == null) {

compiler/frontend/src/org/jetbrains/kotlin/resolve/lazy/declarations/FileBasedPackageMemberDeclarationProvider.kt

@@ -21,7 +21,7 @@ import org.jetbrains.kotlin.name.FqName
 import org.jetbrains.kotlin.name.Name
 import org.jetbrains.kotlin.storage.StorageManager
 
-public class FileBasedPackageMemberDeclarationProvider internal constructor(
+public class FileBasedPackageMemberDeclarationProvider(
         storageManager: StorageManager,
         private val fqName: FqName,
         private val factory: FileBasedDeclarationProviderFactory,

core/reflection.jvm/src/kotlin/reflect/jvm/internal/foreignKClasses.kt

@@ -27,7 +27,7 @@ import kotlin.reflect.jvm.internal.pcollections.HashPMap
 private var FOREIGN_K_CLASSES = HashPMap.empty<String, Any>()
 
 // This function is invoked on each reflection access to Java classes, properties, etc. Performance is critical here.
-internal fun <T : Any> foreignKotlinClass(jClass: Class<T>): KClassImpl<T> {
+fun <T : Any> foreignKotlinClass(jClass: Class<T>): KClassImpl<T> {
     val name = jClass.getName()
     val cached = FOREIGN_K_CLASSES[name]
     if (cached is WeakReference<*>) {