[JVM IR] Make file classes with all private members package-private

compiler/testData/codegen/bytecodeListing/fileClassWithPrivateDeclarationsOnly_after.kt

@@ -0,0 +1,14 @@
+// WITH_RUNTIME
+// IGNORE_BACKEND: JVM
+// !LANGUAGE: +PackagePrivateFileClassesWithAllPrivateMembers
+
+private fun f() {
+}
+
+private val a = Unit
+private val b by lazy { Unit }
+
+@Suppress("INVISIBLE_MEMBER", "INVISIBLE_REFERENCE")
+@kotlin.internal.InlineOnly
+public fun g() {
+}

compiler/testData/codegen/bytecodeListing/fileClassWithPrivateDeclarationsOnly_after.txt

@@ -0,0 +1,23 @@
+@kotlin.Metadata
+final class FileClassWithPrivateDeclarationsOnly_afterKt$b$2 {
+    // source: 'fileClassWithPrivateDeclarationsOnly_after.kt'
+    enclosing method FileClassWithPrivateDeclarationsOnly_afterKt.<clinit>()V
+    public final static field INSTANCE: FileClassWithPrivateDeclarationsOnly_afterKt$b$2
+    inner (anonymous) class FileClassWithPrivateDeclarationsOnly_afterKt$b$2
+    static method <clinit>(): void
+    method <init>(): void
+    public synthetic bridge method invoke(): java.lang.Object
+    public final method invoke(): void
+}
+
+@kotlin.Metadata
+final class FileClassWithPrivateDeclarationsOnly_afterKt {
+    // source: 'fileClassWithPrivateDeclarationsOnly_after.kt'
+    private final static @org.jetbrains.annotations.NotNull field a: kotlin.Unit
+    private final static @org.jetbrains.annotations.NotNull field b$delegate: kotlin.Lazy
+    inner (anonymous) class FileClassWithPrivateDeclarationsOnly_afterKt$b$2
+    static method <clinit>(): void
+    private final static method f(): void
+    public final static @kotlin.internal.InlineOnly method g(): void
+    private final static method getB(): kotlin.Unit
+}

compiler/testData/codegen/bytecodeListing/fileClassWithPrivateDeclarationsOnly_before.kt

@@ -0,0 +1,14 @@
+// WITH_RUNTIME
+// IGNORE_BACKEND: JVM
+// !LANGUAGE: -PackagePrivateFileClassesWithAllPrivateMembers
+
+private fun f() {
+}
+
+private val a = Unit
+private val b by lazy { Unit }
+
+@Suppress("INVISIBLE_MEMBER", "INVISIBLE_REFERENCE")
+@kotlin.internal.InlineOnly
+public fun g() {
+}

compiler/testData/codegen/bytecodeListing/fileClassWithPrivateDeclarationsOnly_before.txt

@@ -0,0 +1,23 @@
+@kotlin.Metadata
+final class FileClassWithPrivateDeclarationsOnly_beforeKt$b$2 {
+    // source: 'fileClassWithPrivateDeclarationsOnly_before.kt'
+    enclosing method FileClassWithPrivateDeclarationsOnly_beforeKt.<clinit>()V
+    public final static field INSTANCE: FileClassWithPrivateDeclarationsOnly_beforeKt$b$2
+    inner (anonymous) class FileClassWithPrivateDeclarationsOnly_beforeKt$b$2
+    static method <clinit>(): void
+    method <init>(): void
+    public synthetic bridge method invoke(): java.lang.Object
+    public final method invoke(): void
+}
+
+@kotlin.Metadata
+public final class FileClassWithPrivateDeclarationsOnly_beforeKt {
+    // source: 'fileClassWithPrivateDeclarationsOnly_before.kt'
+    private final static @org.jetbrains.annotations.NotNull field a: kotlin.Unit
+    private final static @org.jetbrains.annotations.NotNull field b$delegate: kotlin.Lazy
+    inner (anonymous) class FileClassWithPrivateDeclarationsOnly_beforeKt$b$2
+    static method <clinit>(): void
+    private final static method f(): void
+    public final static @kotlin.internal.InlineOnly method g(): void
+    private final static method getB(): kotlin.Unit
+}