Added -Xdisable-fake-override-validator

compiler/cli/cli-common/src/org/jetbrains/kotlin/cli/common/arguments/K2JSCompilerArguments.kt

@@ -172,6 +172,9 @@ class K2JSCompilerArguments : CommonCompilerArguments() {
     @Argument(value = "-Xenable-js-scripting", description = "Enable experimental support of .kts files using K/JS (with -Xir only)")
     var enableJsScripting: Boolean by FreezableVar(false)
 
+    @Argument(value = "-Xdisable-fake-override-validator", description = "Disable IR fake override validator")
+    var disableFakeOverrideValidator: Boolean by FreezableVar(false)
+
     override fun checkIrSupport(languageVersionSettings: LanguageVersionSettings, collector: MessageCollector) {
         if (!isIrBackendEnabled()) return
 

compiler/cli/cli-js/src/org/jetbrains/kotlin/cli/js/K2JsIrCompiler.kt

@@ -327,6 +327,7 @@ class K2JsIrCompiler : CLICompiler<K2JSCompilerArguments>() {
         }
 
         configuration.put(JSConfigurationKeys.PRINT_REACHABILITY_INFO, arguments.irDcePrintReachabilityInfo)
+        configuration.put(JSConfigurationKeys.DISABLE_FAKE_OVERRIDE_VALIDATOR, arguments.disableFakeOverrideValidator)
     }
 
     override fun executableScriptFileName(): String {