[JS IR] Introduce the GENERATE_INLINE_ANONYMOUS_FUNCTIONS feature flag

js/js.tests/test/org/jetbrains/kotlin/generators/tests/GenerateJsTests.kt

@@ -79,7 +79,7 @@ fun main(args: Array<String>) {
     generateTestGroupSuiteWithJUnit5(args) {
         testGroup("js/js.tests/tests-gen", "js/js.translator/testData", testRunnerMethodName = "runTest0") {
             testClass<AbstractBoxJsTest> {
-                model("box/", pattern = "^([^_](.+))\\.kt$")
+                model("box/", pattern = "^([^_](.+))\\.kt$", excludeDirs = listOf("closure/inlineAnonymousFunctions"))
             }
 
             testClass<AbstractSourceMapGenerationSmokeTest> {

js/js.tests/test/org/jetbrains/kotlin/js/test/ir/AbstractJsIrTest.kt

@@ -65,6 +65,12 @@ abstract class AbstractJsIrTest(
                     ::JsIrRecompiledArtifactsIdentityHandler,
                 )
             }
+
+            forTestsMatching("${JsEnvironmentConfigurator.TEST_DATA_DIR_PATH}/box/closure/inlineAnonymousFunctions/*") {
+                defaultDirectives {
+                    +JsEnvironmentConfigurationDirectives.GENERATE_INLINE_ANONYMOUS_FUNCTIONS
+                }
+            }
         }
     }
 }