diff --git a/compiler/testData/codegen/java9/box/kt36984.kt b/compiler/testData/codegen/java9/box/kt36984.kt
new file mode 100644
index 00000000000..2d7b725c713
--- /dev/null
+++ b/compiler/testData/codegen/java9/box/kt36984.kt
@@ -0,0 +1,16 @@
+// TARGET_BACKEND: JVM
+// WITH_RUNTIME
+
+fun box(): String {
+    val f = {}
+    val sam = Runnable(f)
+    val samJavaClass = sam::class.java
+
+    if (samJavaClass.simpleName != "")
+        throw Exception("samJavaClass.simpleName='${samJavaClass.simpleName}'")
+
+    if (!samJavaClass.isAnonymousClass())
+        throw Exception("!samJavaClass.isAnonymousClass(): '${samJavaClass.name}'")
+
+    return "OK"
+}
\ No newline at end of file
diff --git a/compiler/tests-common/tests/org/jetbrains/kotlin/codegen/AbstractJdk9BlackBoxCodegenTest.kt b/compiler/tests-common/tests/org/jetbrains/kotlin/codegen/AbstractJdk9BlackBoxCodegenTest.kt
index 7d61b2af0a5..682f56112a9 100644
--- a/compiler/tests-common/tests/org/jetbrains/kotlin/codegen/AbstractJdk9BlackBoxCodegenTest.kt
+++ b/compiler/tests-common/tests/org/jetbrains/kotlin/codegen/AbstractJdk9BlackBoxCodegenTest.kt
@@ -5,6 +5,7 @@
 
 package org.jetbrains.kotlin.codegen
 
+import org.jetbrains.kotlin.test.TargetBackend
 import org.jetbrains.kotlin.test.TestJdkKind
 import org.jetbrains.kotlin.test.util.KtTestUtil
 import java.io.File
@@ -14,3 +15,8 @@ abstract class AbstractJdk9BlackBoxCodegenTest : AbstractCustomJDKBlackBoxCodege
     override fun getJdkHome(): File = KtTestUtil.getJdk9Home()
     override fun getPrefix(): String = "java9/box"
 }
+
+abstract class AbstractJdk9IrBlackBoxCodegenTest : AbstractJdk9BlackBoxCodegenTest() {
+    override val backend: TargetBackend
+        get() = TargetBackend.JVM_IR
+}
\ No newline at end of file
diff --git a/compiler/tests-for-compiler-generator/tests/org/jetbrains/kotlin/test/generators/GenerateJUnit3CompilerTests.kt b/compiler/tests-for-compiler-generator/tests/org/jetbrains/kotlin/test/generators/GenerateJUnit3CompilerTests.kt
index e099bf85ed6..b73af3237a4 100644
--- a/compiler/tests-for-compiler-generator/tests/org/jetbrains/kotlin/test/generators/GenerateJUnit3CompilerTests.kt
+++ b/compiler/tests-for-compiler-generator/tests/org/jetbrains/kotlin/test/generators/GenerateJUnit3CompilerTests.kt
@@ -153,6 +153,10 @@ fun generateJUnit3CompilerTests(args: Array<String>) {
                 model("codegen/java9/box")
             }
 
+            testClass<AbstractJdk9IrBlackBoxCodegenTest> {
+                model("codegen/java9/box", targetBackend = TargetBackend.JVM_IR)
+            }
+
             testClass<AbstractScriptCodegenTest> {
                 model("codegen/script", extension = "kts")
             }
diff --git a/compiler/tests-gen/org/jetbrains/kotlin/codegen/Jdk9BlackBoxCodegenTestGenerated.java b/compiler/tests-gen/org/jetbrains/kotlin/codegen/Jdk9BlackBoxCodegenTestGenerated.java
index 527f0f839e1..8e0a4b59837 100644
--- a/compiler/tests-gen/org/jetbrains/kotlin/codegen/Jdk9BlackBoxCodegenTestGenerated.java
+++ b/compiler/tests-gen/org/jetbrains/kotlin/codegen/Jdk9BlackBoxCodegenTestGenerated.java
@@ -64,6 +64,11 @@ public class Jdk9BlackBoxCodegenTestGenerated extends AbstractJdk9BlackBoxCodege
         runTest("compiler/testData/codegen/java9/box/concatDynamicWithInline.kt");
     }
 
+    @TestMetadata("kt36984.kt")
+    public void testKt36984() throws Exception {
+        runTest("compiler/testData/codegen/java9/box/kt36984.kt");
+    }
+
     @TestMetadata("varHandle.kt")
     public void testVarHandle() throws Exception {
         runTest("compiler/testData/codegen/java9/box/varHandle.kt");
diff --git a/compiler/tests-gen/org/jetbrains/kotlin/codegen/Jdk9IrBlackBoxCodegenTestGenerated.java b/compiler/tests-gen/org/jetbrains/kotlin/codegen/Jdk9IrBlackBoxCodegenTestGenerated.java
new file mode 100644
index 00000000000..56d97d3ea33
--- /dev/null
+++ b/compiler/tests-gen/org/jetbrains/kotlin/codegen/Jdk9IrBlackBoxCodegenTestGenerated.java
@@ -0,0 +1,77 @@
+/*
+ * Copyright 2010-2020 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
+ */
+
+package org.jetbrains.kotlin.codegen;
+
+import com.intellij.testFramework.TestDataPath;
+import org.jetbrains.kotlin.test.JUnit3RunnerWithInners;
+import org.jetbrains.kotlin.test.KotlinTestUtils;
+import org.jetbrains.kotlin.test.util.KtTestUtil;
+import org.jetbrains.kotlin.test.TargetBackend;
+import org.jetbrains.kotlin.test.TestMetadata;
+import org.junit.runner.RunWith;
+
+import java.io.File;
+import java.util.regex.Pattern;
+
+/** This class is generated by {@link org.jetbrains.kotlin.generators.tests.TestsPackage}. DO NOT MODIFY MANUALLY */
+@SuppressWarnings("all")
+@TestMetadata("compiler/testData/codegen/java9/box")
+@TestDataPath("$PROJECT_ROOT")
+@RunWith(JUnit3RunnerWithInners.class)
+public class Jdk9IrBlackBoxCodegenTestGenerated extends AbstractJdk9IrBlackBoxCodegenTest {
+    private void runTest(String testDataFilePath) throws Exception {
+        KotlinTestUtils.runTest(this::doTest, TargetBackend.JVM_IR, testDataFilePath);
+    }
+
+    public void testAllFilesPresentInBox() throws Exception {
+        KtTestUtil.assertAllTestsPresentByMetadataWithExcluded(this.getClass(), new File("compiler/testData/codegen/java9/box"), Pattern.compile("^(.+)\\.kt$"), null, TargetBackend.JVM_IR, true);
+    }
+
+    @TestMetadata("concatDynamic.kt")
+    public void testConcatDynamic() throws Exception {
+        runTest("compiler/testData/codegen/java9/box/concatDynamic.kt");
+    }
+
+    @TestMetadata("concatDynamic200.kt")
+    public void testConcatDynamic200() throws Exception {
+        runTest("compiler/testData/codegen/java9/box/concatDynamic200.kt");
+    }
+
+    @TestMetadata("concatDynamic201.kt")
+    public void testConcatDynamic201() throws Exception {
+        runTest("compiler/testData/codegen/java9/box/concatDynamic201.kt");
+    }
+
+    @TestMetadata("concatDynamicIndy200.kt")
+    public void testConcatDynamicIndy200() throws Exception {
+        runTest("compiler/testData/codegen/java9/box/concatDynamicIndy200.kt");
+    }
+
+    @TestMetadata("concatDynamicIndy201.kt")
+    public void testConcatDynamicIndy201() throws Exception {
+        runTest("compiler/testData/codegen/java9/box/concatDynamicIndy201.kt");
+    }
+
+    @TestMetadata("concatDynamicInlineClasses.kt")
+    public void testConcatDynamicInlineClasses() throws Exception {
+        runTest("compiler/testData/codegen/java9/box/concatDynamicInlineClasses.kt");
+    }
+
+    @TestMetadata("concatDynamicWithInline.kt")
+    public void testConcatDynamicWithInline() throws Exception {
+        runTest("compiler/testData/codegen/java9/box/concatDynamicWithInline.kt");
+    }
+
+    @TestMetadata("kt36984.kt")
+    public void testKt36984() throws Exception {
+        runTest("compiler/testData/codegen/java9/box/kt36984.kt");
+    }
+
+    @TestMetadata("varHandle.kt")
+    public void testVarHandle() throws Exception {
+        runTest("compiler/testData/codegen/java9/box/varHandle.kt");
+    }
+}