Report error if IR is enabled with incorrect language version

^KT-36338 Fixed

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

@@ -497,6 +497,7 @@ abstract class CommonCompilerArguments : CommonToolArguments() {
         )
 
         checkCoroutines(languageVersionSettings, collector)
+        checkIrSupport(languageVersionSettings, collector)
 
         return languageVersionSettings
     }
@@ -577,6 +578,10 @@ abstract class CommonCompilerArguments : CommonToolArguments() {
         }
     }
 
+    protected open fun checkIrSupport(languageVersionSettings: LanguageVersionSettings, collector: MessageCollector) {
+        // backend-specific
+    }
+
     private enum class VersionKind(val text: String) {
         LANGUAGE("Language"), API("API")
     }

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

@@ -18,6 +18,11 @@ package org.jetbrains.kotlin.cli.common.arguments
 
 import org.jetbrains.kotlin.cli.common.arguments.K2JsArgumentConstants.CALL
 import org.jetbrains.kotlin.cli.common.arguments.K2JsArgumentConstants.NO_CALL
+import org.jetbrains.kotlin.cli.common.messages.CompilerMessageSeverity
+import org.jetbrains.kotlin.cli.common.messages.MessageCollector
+import org.jetbrains.kotlin.config.ApiVersion
+import org.jetbrains.kotlin.config.LanguageVersion
+import org.jetbrains.kotlin.config.LanguageVersionSettings
 
 class K2JSCompilerArguments : CommonCompilerArguments() {
     companion object {
@@ -164,6 +169,19 @@ 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)
+
+    override fun checkIrSupport(languageVersionSettings: LanguageVersionSettings, collector: MessageCollector) {
+        if (!isIrBackendEnabled()) return
+
+        if (languageVersionSettings.languageVersion < LanguageVersion.KOTLIN_1_4
+            || languageVersionSettings.apiVersion < ApiVersion.KOTLIN_1_4
+        ) {
+            collector.report(
+                CompilerMessageSeverity.ERROR,
+                "IR backend cannot be used with language or API version below 1.4"
+            )
+        }
+    }
 }
 
 fun K2JSCompilerArguments.isPreIrBackendDisabled(): Boolean =

compiler/cli/cli-common/src/org/jetbrains/kotlin/cli/common/arguments/K2JVMCompilerArguments.kt

@@ -352,4 +352,17 @@ class K2JVMCompilerArguments : CommonCompilerArguments() {
         }
         return result
     }
+
+    override fun checkIrSupport(languageVersionSettings: LanguageVersionSettings, collector: MessageCollector) {
+        if (!useIR) return
+
+        if (languageVersionSettings.languageVersion < LanguageVersion.KOTLIN_1_3
+            || languageVersionSettings.apiVersion < ApiVersion.KOTLIN_1_3
+        ) {
+            collector.report(
+                CompilerMessageSeverity.ERROR,
+                "IR backend cannot be used with language or API version below 1.3"
+            )
+        }
+    }
 }