[scripting] Move earlierScripts to the frontend descriptor

^KT-20488 fixed

plugins/scripting/scripting-ide-services-test/build.gradle.kts

@@ -28,6 +28,7 @@ dependencies {
 
     testImplementation(commonDep("org.jetbrains.kotlinx", "kotlinx-coroutines-core"))
     testImplementation(commonDep("org.jetbrains.kotlinx", "kotlinx-coroutines-core-jvm"))
+    testImplementation(project(":kotlin-reflect"))
     testRuntimeOnly(project(":kotlin-compiler"))
     testRuntimeOnly(commonDep("org.jetbrains.intellij.deps", "trove4j"))
     testRuntimeOnly(project(":kotlin-scripting-ide-common")) { isTransitive = false }

plugins/scripting/scripting-ide-services-test/test/org/jetbrains/kotlin/scripting/ide_services/JvmReplTest.kt

@@ -15,6 +15,7 @@ import org.jetbrains.kotlin.config.Services
 import org.jetbrains.kotlin.scripting.ide_services.test_util.*
 import java.io.File
 import kotlin.io.path.*
+import kotlin.reflect.full.isSubclassOf
 import kotlin.script.experimental.api.*
 import kotlin.script.experimental.jvm.impl.KJvmCompiledScript
 import kotlin.script.experimental.jvm.jvm
@@ -325,6 +326,20 @@ class JvmIdeServicesTest : TestCase() {
             }
     }
 
+    fun testAnonymousObjectReflection() {
+        JvmTestRepl()
+            .use { repl ->
+                assertEvalResult(repl, "42", 42)
+                assertEvalUnit(repl, "val sim = object : ArrayList<String>() {}")
+
+                val compiledSnippet = checkCompile(repl, "sim")
+                val evalResult = repl.eval(compiledSnippet!!)
+
+                val a = (evalResult.valueOrThrow().get().result as ResultValue.Value).value!!
+                assertTrue(a::class.isSubclassOf(List::class))
+            }
+    }
+
     @OptIn(ExperimentalPathApi::class)
     companion object {
         private const val MODULE_PATH = "plugins/scripting/scripting-ide-services-test"