Report error on pre-release top level members

core/descriptor.loader.java/src/org/jetbrains/kotlin/load/kotlin/DeserializedDescriptorResolver.kt

@@ -60,7 +60,10 @@ class DeserializedDescriptorResolver(private val errorReporter: ErrorReporter) {
         val (nameResolver, packageProto) = parseProto(kotlinClass) {
             JvmProtoBufUtil.readPackageDataFrom(data, strings)
         }
-        val source = JvmPackagePartSource(kotlinClass)
+        val source = JvmPackagePartSource(
+                kotlinClass,
+                isPreReleaseInvisible = !IS_PRE_RELEASE && kotlinClass.classHeader.isPreRelease
+        )
         return DeserializedPackageMemberScope(descriptor, packageProto, nameResolver, source, components) {
             // All classes are included into Java scope
             emptyList()

core/descriptor.loader.java/src/org/jetbrains/kotlin/load/kotlin/JvmPackagePartSource.kt

@@ -18,20 +18,26 @@ package org.jetbrains.kotlin.load.kotlin
 
 import org.jetbrains.kotlin.descriptors.SourceFile
 import org.jetbrains.kotlin.name.ClassId
+import org.jetbrains.kotlin.name.FqName
 import org.jetbrains.kotlin.name.Name
 import org.jetbrains.kotlin.resolve.jvm.JvmClassName
 import org.jetbrains.kotlin.serialization.deserialization.descriptors.DeserializedContainerSource
 
-class JvmPackagePartSource(val className: JvmClassName, val facadeClassName: JvmClassName?) : DeserializedContainerSource {
-    constructor(kotlinClass: KotlinJvmBinaryClass) : this(
+class JvmPackagePartSource(
+        val className: JvmClassName,
+        val facadeClassName: JvmClassName?,
+        override val isPreReleaseInvisible: Boolean = false
+) : DeserializedContainerSource {
+    constructor(kotlinClass: KotlinJvmBinaryClass, isPreReleaseInvisible: Boolean = false) : this(
             JvmClassName.byClassId(kotlinClass.classId),
             kotlinClass.classHeader.multifileClassName?.let {
                 if (it.isNotEmpty()) JvmClassName.byInternalName(it) else null
-            }
+            },
+            isPreReleaseInvisible
     )
 
-    // TODO
-    override val isPreReleaseInvisible: Boolean get() = false
+    override val presentableFqName: FqName
+        get() = classId.asSingleFqName()
 
     val simpleName: Name get() = Name.identifier(className.internalName.substringAfterLast('/'))
 

core/descriptor.loader.java/src/org/jetbrains/kotlin/load/kotlin/KotlinJvmBinarySourceElement.kt

@@ -16,14 +16,17 @@
 
 package org.jetbrains.kotlin.load.kotlin
 
-import org.jetbrains.kotlin.descriptors.SourceElement
 import org.jetbrains.kotlin.descriptors.SourceFile
+import org.jetbrains.kotlin.name.FqName
 import org.jetbrains.kotlin.serialization.deserialization.descriptors.DeserializedContainerSource
 
 class KotlinJvmBinarySourceElement(
         val binaryClass: KotlinJvmBinaryClass,
         override val isPreReleaseInvisible: Boolean = false
 ) : DeserializedContainerSource {
+    override val presentableFqName: FqName
+        get() = binaryClass.classId.asSingleFqName()
+
     override fun getContainingFile(): SourceFile = SourceFile.NO_SOURCE_FILE
 
     override fun toString() = "${javaClass.simpleName}: $binaryClass"

core/deserialization/src/org/jetbrains/kotlin/serialization/deserialization/descriptors/DeserializedMemberDescriptor.kt

@@ -19,6 +19,7 @@ package org.jetbrains.kotlin.serialization.deserialization.descriptors
 import org.jetbrains.kotlin.descriptors.*
 import org.jetbrains.kotlin.descriptors.annotations.Annotations
 import org.jetbrains.kotlin.descriptors.impl.*
+import org.jetbrains.kotlin.name.FqName
 import org.jetbrains.kotlin.name.Name
 import org.jetbrains.kotlin.protobuf.MessageLite
 import org.jetbrains.kotlin.serialization.Flags
@@ -44,6 +45,9 @@ interface DeserializedMemberDescriptor : MemberDescriptor {
 interface DeserializedContainerSource : SourceElement {
     // True iff this is container is "invisible" because it's loaded from a pre-release class and this compiler is a release
     val isPreReleaseInvisible: Boolean
+
+    // This FQ name should only be used for error messages
+    val presentableFqName: FqName
 }
 
 interface DeserializedCallableMemberDescriptor : DeserializedMemberDescriptor, CallableMemberDescriptor