Value classes: treat @JvmInline value classes as inline classes

Report error on value classes without @JvmInline annotation.
Do not check for @JvmInline annotation in value classes since
it breaks reflection.

js/js.frontend/src/org/jetbrains/kotlin/js/resolve/diagnostics/JsExternalChecker.kt

@@ -44,6 +44,7 @@ object JsExternalChecker : DeclarationChecker {
                 descriptor.isData -> "data class"
                 descriptor.isInner -> "inner class"
                 descriptor.isInline -> "inline class"
+                descriptor.isValue -> "value class"
                 descriptor.isFun -> "fun interface"
                 DescriptorUtils.isAnnotationClass(descriptor) -> "annotation class"
                 else -> null

js/js.translator/src/org/jetbrains/kotlin/js/translate/declaration/ClassTranslator.kt

@@ -131,7 +131,7 @@ class ClassTranslator private constructor(
         if (classDeclaration is KtClassOrObject) {
             when {
                 descriptor.isData -> JsDataClassGenerator(classDeclaration, context).generate()
-                descriptor.isInline -> JsInlineClassGenerator(classDeclaration, context).generate()
+                descriptor.isInline || descriptor.isValue -> JsInlineClassGenerator(classDeclaration, context).generate()
             }
         }