[Test] Add test directives to enable/disable nested IR element offsets checks

^KT-81475

Author: ddolovov

compiler/tests-common-new/testFixtures/org/jetbrains/kotlin/test/directives/CodegenTestDirectives.kt

@@ -245,6 +245,15 @@ object CodegenTestDirectives : SimpleDirectivesContainer() {
         applicability = Global
     )
 
+    // TODO: Drop this directive and make the offset validation enabled by default when KT-81475 is fixed.
+    val ENABLE_IR_NESTED_OFFSETS_CHECKS by stringDirective(
+        description = "Enables validation of the nested IR elements offsets"
+    )
+
+    val DISABLE_IR_NESTED_OFFSETS_CHECKS by enumDirective<TargetBackend>(
+        description = "Disabled validation of the nested IR elements offsets on the target backend"
+    )
+
     val DISABLE_IR_VISIBILITY_CHECKS by enumDirective<TargetBackend>(
         description = "Don't check for visibility violations when validating IR on the target backend"
     )

compiler/tests-common-new/testFixtures/org/jetbrains/kotlin/test/services/CompilerConfigurationProvider.kt

@@ -180,6 +180,9 @@ fun createCompilerConfiguration(
     configuration.enableIrVisibilityChecks = !CodegenTestDirectives.DISABLE_IR_VISIBILITY_CHECKS.isApplicableTo(module, testServices)
     configuration.enableIrVarargTypesChecks = !CodegenTestDirectives.DISABLE_IR_VARARG_TYPE_CHECKS.isApplicableTo(module, testServices)
 
+    configuration.enableIrNestedOffsetsChecks = CodegenTestDirectives.ENABLE_IR_NESTED_OFFSETS_CHECKS in module.directives &&
+            !CodegenTestDirectives.DISABLE_IR_NESTED_OFFSETS_CHECKS.isApplicableTo(module, testServices)
+
     val messageCollector = MessageCollectorForCompilerTests(System.err, CompilerTestMessageRenderer(module))
     configuration.messageCollector = messageCollector
     configuration.languageVersionSettings = module.languageVersionSettings

native/native.tests/testFixtures/org/jetbrains/kotlin/konan/test/blackbox/support/group/ExtTestCaseGroupProvider.kt

@@ -48,11 +48,9 @@ import org.jetbrains.kotlin.test.InTextDirectivesUtils.isDirectiveDefined
 import org.jetbrains.kotlin.test.directives.CodegenTestDirectives
 import org.jetbrains.kotlin.test.directives.LanguageSettingsDirectives.RETURN_VALUE_CHECKER_MODE
 import org.jetbrains.kotlin.test.directives.model.RegisteredDirectives
-import org.jetbrains.kotlin.test.frontend.classic.handlers.ClassicUnstableAndK2LanguageFeaturesSkipConfigurator
 import org.jetbrains.kotlin.test.services.JUnit5Assertions.assertFalse
 import org.jetbrains.kotlin.test.services.JUnit5Assertions.assertTrue
 import org.jetbrains.kotlin.test.services.JUnit5Assertions.fail
-import org.jetbrains.kotlin.test.util.parseLanguageFeature
 import org.jetbrains.kotlin.utils.addIfNotNull
 import java.io.File
 
@@ -196,6 +194,15 @@ private class ExtTestDataFile(
         ) {
             args.add("-Xverify-ir-visibility")
         }
+
+        if ((structure.directives.contains(CodegenTestDirectives.ENABLE_IR_NESTED_OFFSETS_CHECKS) ||
+                    defaultDirectives.contains(CodegenTestDirectives.ENABLE_IR_NESTED_OFFSETS_CHECKS)) &&
+            !structure.directives[CodegenTestDirectives.DISABLE_IR_NESTED_OFFSETS_CHECKS].containsNativeOrAny &&
+            !defaultDirectives[CodegenTestDirectives.DISABLE_IR_NESTED_OFFSETS_CHECKS].containsNativeOrAny
+        ) {
+            args.add("-Xverify-ir-nested-offsets")
+        }
+
         args += "-opt-in=kotlin.native.internal.InternalForKotlinNative" // for `Any.isPermanent()` and `Any.isStack()`
         args += "-opt-in=kotlin.native.internal.InternalForKotlinNativeTests" // for ReflectionPackageName
         if (!settings.withPlatformLibs && !structure.directives.contains(WITH_PLATFORM_LIBS))