diff --git a/js/js.tests/test/org/jetbrains/kotlin/generators/tests/GenerateJsTests.kt b/js/js.tests/test/org/jetbrains/kotlin/generators/tests/GenerateJsTests.kt
index 62e872113e4..a44ee2bb3cb 100644
--- a/js/js.tests/test/org/jetbrains/kotlin/generators/tests/GenerateJsTests.kt
+++ b/js/js.tests/test/org/jetbrains/kotlin/generators/tests/GenerateJsTests.kt
@@ -238,6 +238,15 @@ fun main(args: Array<String>) {
                 )
             }
 
+            testClass<AbstractFirLightTreeJsDiagnosticWithBackendTest>(suiteTestClassName = "FirLightTreeJsOldFrontendDiagnosticsWithBackendTestGenerated") {
+                model(
+                    relativeRootPath = "diagnostics/testsWithJsStdLibAndBackendCompilation",
+                    pattern = "^([^_](.+))\\.kt$",
+                    excludedPattern = excludedFirTestdataPattern,
+                    targetBackend = TargetBackend.JS_IR
+                )
+            }
+
             testClass<AbstractDiagnosticsTestWithJsStdLib>(suiteTestClassName = "DiagnosticsWithJsStdLibTestGenerated") {
                 model(
                     relativeRootPath = "diagnostics/testsWithJsStdLib",
diff --git a/js/js.tests/test/org/jetbrains/kotlin/js/test/fir/AbstractFirPsiJsDiagnosticTest.kt b/js/js.tests/test/org/jetbrains/kotlin/js/test/fir/AbstractFirPsiJsDiagnosticTest.kt
index 87f462c4d93..b2dc6d4cd37 100644
--- a/js/js.tests/test/org/jetbrains/kotlin/js/test/fir/AbstractFirPsiJsDiagnosticTest.kt
+++ b/js/js.tests/test/org/jetbrains/kotlin/js/test/fir/AbstractFirPsiJsDiagnosticTest.kt
@@ -104,3 +104,4 @@ abstract class AbstractFirPsiJsDiagnosticTest : AbstractFirJsDiagnosticTestBase(
 abstract class AbstractFirLightTreeJsDiagnosticTest : AbstractFirJsDiagnosticTestBase(FirParser.LightTree)
 
 abstract class AbstractFirPsiJsDiagnosticWithBackendTest : AbstractFirJsDiagnosticWithBackendTestBase(FirParser.Psi)
+abstract class AbstractFirLightTreeJsDiagnosticWithBackendTest : AbstractFirJsDiagnosticWithBackendTestBase(FirParser.LightTree)
diff --git a/js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/fir/FirLightTreeJsOldFrontendDiagnosticsWithBackendTestGenerated.java b/js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/fir/FirLightTreeJsOldFrontendDiagnosticsWithBackendTestGenerated.java
new file mode 100644
index 00000000000..88f7c8176e2
--- /dev/null
+++ b/js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/fir/FirLightTreeJsOldFrontendDiagnosticsWithBackendTestGenerated.java
@@ -0,0 +1,247 @@
+/*
+ * Copyright 2010-2024 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.js.test.fir;
+
+import com.intellij.testFramework.TestDataPath;
+import org.jetbrains.kotlin.test.util.KtTestUtil;
+import org.jetbrains.kotlin.test.TargetBackend;
+import org.jetbrains.kotlin.test.TestMetadata;
+import org.junit.jupiter.api.Nested;
+import org.junit.jupiter.api.Test;
+
+import java.io.File;
+import java.util.regex.Pattern;
+
+/** This class is generated by {@link org.jetbrains.kotlin.generators.tests.GenerateJsTestsKt}. DO NOT MODIFY MANUALLY */
+@SuppressWarnings("all")
+@TestMetadata("compiler/testData/diagnostics/testsWithJsStdLibAndBackendCompilation")
+@TestDataPath("$PROJECT_ROOT")
+public class FirLightTreeJsOldFrontendDiagnosticsWithBackendTestGenerated extends AbstractFirLightTreeJsDiagnosticWithBackendTest {
+    @Test
+    public void testAllFilesPresentInTestsWithJsStdLibAndBackendCompilation() throws Exception {
+        KtTestUtil.assertAllTestsPresentByMetadataWithExcluded(this.getClass(), new File("compiler/testData/diagnostics/testsWithJsStdLibAndBackendCompilation"), Pattern.compile("^([^_](.+))\\.kt$"), Pattern.compile("^(.+)\\.fir\\.kts?$"), TargetBackend.JS_IR, true);
+    }
+
+    @Nested
+    @TestMetadata("compiler/testData/diagnostics/testsWithJsStdLibAndBackendCompilation/exportedNamesClash")
+    @TestDataPath("$PROJECT_ROOT")
+    public class ExportedNamesClash {
+        @Test
+        public void testAllFilesPresentInExportedNamesClash() throws Exception {
+            KtTestUtil.assertAllTestsPresentByMetadataWithExcluded(this.getClass(), new File("compiler/testData/diagnostics/testsWithJsStdLibAndBackendCompilation/exportedNamesClash"), Pattern.compile("^([^_](.+))\\.kt$"), Pattern.compile("^(.+)\\.fir\\.kts?$"), TargetBackend.JS_IR, true);
+        }
+
+        @Test
+        @TestMetadata("functionAndFunction.kt")
+        public void testFunctionAndFunction() throws Exception {
+            runTest("compiler/testData/diagnostics/testsWithJsStdLibAndBackendCompilation/exportedNamesClash/functionAndFunction.kt");
+        }
+
+        @Test
+        @TestMetadata("functionAndProperty.kt")
+        public void testFunctionAndProperty() throws Exception {
+            runTest("compiler/testData/diagnostics/testsWithJsStdLibAndBackendCompilation/exportedNamesClash/functionAndProperty.kt");
+        }
+
+        @Test
+        @TestMetadata("functionDifferentPackages.kt")
+        public void testFunctionDifferentPackages() throws Exception {
+            runTest("compiler/testData/diagnostics/testsWithJsStdLibAndBackendCompilation/exportedNamesClash/functionDifferentPackages.kt");
+        }
+
+        @Test
+        @TestMetadata("multipleClash.kt")
+        public void testMultipleClash() throws Exception {
+            runTest("compiler/testData/diagnostics/testsWithJsStdLibAndBackendCompilation/exportedNamesClash/multipleClash.kt");
+        }
+
+        @Test
+        @TestMetadata("multipleClashESModules.kt")
+        public void testMultipleClashESModules() throws Exception {
+            runTest("compiler/testData/diagnostics/testsWithJsStdLibAndBackendCompilation/exportedNamesClash/multipleClashESModules.kt");
+        }
+
+        @Test
+        @TestMetadata("packageAndFunction.kt")
+        public void testPackageAndFunction() throws Exception {
+            runTest("compiler/testData/diagnostics/testsWithJsStdLibAndBackendCompilation/exportedNamesClash/packageAndFunction.kt");
+        }
+
+        @Test
+        @TestMetadata("packageAndProperty.kt")
+        public void testPackageAndProperty() throws Exception {
+            runTest("compiler/testData/diagnostics/testsWithJsStdLibAndBackendCompilation/exportedNamesClash/packageAndProperty.kt");
+        }
+
+        @Test
+        @TestMetadata("propertyAndProperty.kt")
+        public void testPropertyAndProperty() throws Exception {
+            runTest("compiler/testData/diagnostics/testsWithJsStdLibAndBackendCompilation/exportedNamesClash/propertyAndProperty.kt");
+        }
+
+        @Test
+        @TestMetadata("propertyDifferentPackages.kt")
+        public void testPropertyDifferentPackages() throws Exception {
+            runTest("compiler/testData/diagnostics/testsWithJsStdLibAndBackendCompilation/exportedNamesClash/propertyDifferentPackages.kt");
+        }
+    }
+
+    @Nested
+    @TestMetadata("compiler/testData/diagnostics/testsWithJsStdLibAndBackendCompilation/inline")
+    @TestDataPath("$PROJECT_ROOT")
+    public class Inline {
+        @Test
+        public void testAllFilesPresentInInline() throws Exception {
+            KtTestUtil.assertAllTestsPresentByMetadataWithExcluded(this.getClass(), new File("compiler/testData/diagnostics/testsWithJsStdLibAndBackendCompilation/inline"), Pattern.compile("^([^_](.+))\\.kt$"), Pattern.compile("^(.+)\\.fir\\.kts?$"), TargetBackend.JS_IR, true);
+        }
+
+        @Test
+        @TestMetadata("recursionCycle.kt")
+        public void testRecursionCycle() throws Exception {
+            runTest("compiler/testData/diagnostics/testsWithJsStdLibAndBackendCompilation/inline/recursionCycle.kt");
+        }
+
+        @Test
+        @TestMetadata("recursionCycleLambda.kt")
+        public void testRecursionCycleLambda() throws Exception {
+            runTest("compiler/testData/diagnostics/testsWithJsStdLibAndBackendCompilation/inline/recursionCycleLambda.kt");
+        }
+
+        @Test
+        @TestMetadata("recursionCycleWithPublicFun.kt")
+        public void testRecursionCycleWithPublicFun() throws Exception {
+            runTest("compiler/testData/diagnostics/testsWithJsStdLibAndBackendCompilation/inline/recursionCycleWithPublicFun.kt");
+        }
+
+        @Test
+        @TestMetadata("recursionCycleWithStdlibCall.kt")
+        public void testRecursionCycleWithStdlibCall() throws Exception {
+            runTest("compiler/testData/diagnostics/testsWithJsStdLibAndBackendCompilation/inline/recursionCycleWithStdlibCall.kt");
+        }
+    }
+
+    @Nested
+    @TestMetadata("compiler/testData/diagnostics/testsWithJsStdLibAndBackendCompilation/jsCode")
+    @TestDataPath("$PROJECT_ROOT")
+    public class JsCode {
+        @Test
+        public void testAllFilesPresentInJsCode() throws Exception {
+            KtTestUtil.assertAllTestsPresentByMetadataWithExcluded(this.getClass(), new File("compiler/testData/diagnostics/testsWithJsStdLibAndBackendCompilation/jsCode"), Pattern.compile("^([^_](.+))\\.kt$"), Pattern.compile("^(.+)\\.fir\\.kts?$"), TargetBackend.JS_IR, true);
+        }
+
+        @Test
+        @TestMetadata("argumentIsLiteral.kt")
+        public void testArgumentIsLiteral() throws Exception {
+            runTest("compiler/testData/diagnostics/testsWithJsStdLibAndBackendCompilation/jsCode/argumentIsLiteral.kt");
+        }
+
+        @Test
+        @TestMetadata("badAssignment.kt")
+        public void testBadAssignment() throws Exception {
+            runTest("compiler/testData/diagnostics/testsWithJsStdLibAndBackendCompilation/jsCode/badAssignment.kt");
+        }
+
+        @Test
+        @TestMetadata("compileTimeString.kt")
+        public void testCompileTimeString() throws Exception {
+            runTest("compiler/testData/diagnostics/testsWithJsStdLibAndBackendCompilation/jsCode/compileTimeString.kt");
+        }
+
+        @Test
+        @TestMetadata("compileTimeStringWithCompanionVal.kt")
+        public void testCompileTimeStringWithCompanionVal() throws Exception {
+            runTest("compiler/testData/diagnostics/testsWithJsStdLibAndBackendCompilation/jsCode/compileTimeStringWithCompanionVal.kt");
+        }
+
+        @Test
+        @TestMetadata("compileTimeStringWithConstVal.kt")
+        public void testCompileTimeStringWithConstVal() throws Exception {
+            runTest("compiler/testData/diagnostics/testsWithJsStdLibAndBackendCompilation/jsCode/compileTimeStringWithConstVal.kt");
+        }
+
+        @Test
+        @TestMetadata("compileTimeStringWithFunCall.kt")
+        public void testCompileTimeStringWithFunCall() throws Exception {
+            runTest("compiler/testData/diagnostics/testsWithJsStdLibAndBackendCompilation/jsCode/compileTimeStringWithFunCall.kt");
+        }
+
+        @Test
+        @TestMetadata("compileTimeStringWithIntrinConstCall.kt")
+        public void testCompileTimeStringWithIntrinConstCall() throws Exception {
+            runTest("compiler/testData/diagnostics/testsWithJsStdLibAndBackendCompilation/jsCode/compileTimeStringWithIntrinConstCall.kt");
+        }
+
+        @Test
+        @TestMetadata("compileTimeStringWithTopLevelVal.kt")
+        public void testCompileTimeStringWithTopLevelVal() throws Exception {
+            runTest("compiler/testData/diagnostics/testsWithJsStdLibAndBackendCompilation/jsCode/compileTimeStringWithTopLevelVal.kt");
+        }
+
+        @Test
+        @TestMetadata("compileTimeStringWithVal.kt")
+        public void testCompileTimeStringWithVal() throws Exception {
+            runTest("compiler/testData/diagnostics/testsWithJsStdLibAndBackendCompilation/jsCode/compileTimeStringWithVal.kt");
+        }
+
+        @Test
+        @TestMetadata("deleteOperation.kt")
+        public void testDeleteOperation() throws Exception {
+            runTest("compiler/testData/diagnostics/testsWithJsStdLibAndBackendCompilation/jsCode/deleteOperation.kt");
+        }
+
+        @Test
+        @TestMetadata("error.kt")
+        public void testError() throws Exception {
+            runTest("compiler/testData/diagnostics/testsWithJsStdLibAndBackendCompilation/jsCode/error.kt");
+        }
+
+        @Test
+        @TestMetadata("javaScriptEmpty.kt")
+        public void testJavaScriptEmpty() throws Exception {
+            runTest("compiler/testData/diagnostics/testsWithJsStdLibAndBackendCompilation/jsCode/javaScriptEmpty.kt");
+        }
+
+        @Test
+        @TestMetadata("javaScriptError.kt")
+        public void testJavaScriptError() throws Exception {
+            runTest("compiler/testData/diagnostics/testsWithJsStdLibAndBackendCompilation/jsCode/javaScriptError.kt");
+        }
+
+        @Test
+        @TestMetadata("javaScriptWarning.kt")
+        public void testJavaScriptWarning() throws Exception {
+            runTest("compiler/testData/diagnostics/testsWithJsStdLibAndBackendCompilation/jsCode/javaScriptWarning.kt");
+        }
+
+        @Test
+        @TestMetadata("noJavaScriptProduced.kt")
+        public void testNoJavaScriptProduced() throws Exception {
+            runTest("compiler/testData/diagnostics/testsWithJsStdLibAndBackendCompilation/jsCode/noJavaScriptProduced.kt");
+        }
+
+        @Test
+        @TestMetadata("warning.kt")
+        public void testWarning() throws Exception {
+            runTest("compiler/testData/diagnostics/testsWithJsStdLibAndBackendCompilation/jsCode/warning.kt");
+        }
+    }
+
+    @Nested
+    @TestMetadata("compiler/testData/diagnostics/testsWithJsStdLibAndBackendCompilation/unsupportedFeatures")
+    @TestDataPath("$PROJECT_ROOT")
+    public class UnsupportedFeatures {
+        @Test
+        public void testAllFilesPresentInUnsupportedFeatures() throws Exception {
+            KtTestUtil.assertAllTestsPresentByMetadataWithExcluded(this.getClass(), new File("compiler/testData/diagnostics/testsWithJsStdLibAndBackendCompilation/unsupportedFeatures"), Pattern.compile("^([^_](.+))\\.kt$"), Pattern.compile("^(.+)\\.fir\\.kts?$"), TargetBackend.JS_IR, true);
+        }
+
+        @Test
+        @TestMetadata("annotations.kt")
+        public void testAnnotations() throws Exception {
+            runTest("compiler/testData/diagnostics/testsWithJsStdLibAndBackendCompilation/unsupportedFeatures/annotations.kt");
+        }
+    }
+}