Fix various EXPOSED_FROM_PRIVATE_IN_FILE deprecations

compiler/ir/backend.jvm/src/org/jetbrains/kotlin/backend/jvm/lower/AssertionLowering.kt

@@ -49,7 +49,7 @@ private class AssertionLowering(private val context: JvmBackendContext) :
 {
     // Keeps track of the $assertionsDisabled field, which we generate lazily for classes containing
     // assertions when compiled with -Xassertions=jvm.
-    private class ClassInfo(val irClass: IrClass, val topLevelClass: IrClass, var assertionsDisabledField: IrField? = null)
+    class ClassInfo(val irClass: IrClass, val topLevelClass: IrClass, var assertionsDisabledField: IrField? = null)
 
     override fun lower(irFile: IrFile) {
         // In legacy mode we treat assertions as inline function calls

libraries/stdlib/jvm/src/kotlin/coroutines/jvm/internal/DebugMetadata.kt

@@ -60,8 +60,7 @@ private object ModuleNameRetriever {
 
     private val notOnJava9 = Cache(null, null, null)
 
-    @JvmField
-    var cache: Cache? = null
+    private var cache: Cache? = null
 
     fun getModuleName(continuation: BaseContinuationImpl): String? {
         val cache = this.cache ?: buildCache(continuation)