Support JVM target versions up to 12

#KT-26240 Fixed

compiler/backend/src/org/jetbrains/kotlin/codegen/AnnotationCodegen.java

@@ -244,6 +244,10 @@ public abstract class AnnotationCodegen {
 
         annotationTargetMaps.put(JvmTarget.JVM_1_6, jvm6);
         annotationTargetMaps.put(JvmTarget.JVM_1_8, jvm8);
+        annotationTargetMaps.put(JvmTarget.JVM_9, jvm8);
+        annotationTargetMaps.put(JvmTarget.JVM_10, jvm8);
+        annotationTargetMaps.put(JvmTarget.JVM_11, jvm8);
+        annotationTargetMaps.put(JvmTarget.JVM_12, jvm8);
     }
 
     private void generateTargetAnnotation(

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

@@ -62,7 +62,7 @@ class K2JVMCompilerArguments : CommonCompilerArguments() {
     @Argument(
         value = "-jvm-target",
         valueDescription = "<version>",
-        description = "Target version of the generated JVM bytecode (1.6 or 1.8), default is 1.6"
+        description = "Target version of the generated JVM bytecode (1.6, 1.8, 9, 10, 11 or 12), default is 1.6"
     )
     var jvmTarget: String? by NullableStringFreezableVar(JvmTarget.DEFAULT.description)
 

compiler/frontend.java/src/org/jetbrains/kotlin/config/JvmTarget.kt

@@ -14,6 +14,7 @@
  * limitations under the License.
  */
 
+
 package org.jetbrains.kotlin.config
 
 import org.jetbrains.org.objectweb.asm.Opcodes
@@ -21,10 +22,13 @@ import org.jetbrains.org.objectweb.asm.Opcodes
 enum class JvmTarget(override val description: String) : TargetPlatformVersion {
     JVM_1_6("1.6"),
     JVM_1_8("1.8"),
+    JVM_9("9"),
+    JVM_10("10"),
+    JVM_11("11"),
+    JVM_12("12"),
     ;
 
     val bytecodeVersion: Int by lazy {
-        @Suppress("DEPRECATION")
         when (this) {
             JVM_1_6 -> Opcodes.V1_6
             JVM_1_8 ->
@@ -33,6 +37,10 @@ enum class JvmTarget(override val description: String) : TargetPlatformVersion {
                     java.lang.Boolean.valueOf(System.getProperty("kotlin.test.substitute.bytecode.1.8.to.1.9")) -> Opcodes.V9
                     else -> Opcodes.V1_8
                 }
+            JVM_9 -> Opcodes.V9
+            JVM_10 -> Opcodes.V9 + 1
+            JVM_11 -> Opcodes.V9 + 2
+            JVM_12 -> Opcodes.V9 + 3
         }
     }
 
@@ -44,16 +52,13 @@ enum class JvmTarget(override val description: String) : TargetPlatformVersion {
         fun fromString(string: String) = values().find { it.description == string }
 
         fun getDescription(bytecodeVersion: Int): String {
-            @Suppress("DEPRECATION")
+            val platformDescription = values().find { it.bytecodeVersion == bytecodeVersion }?.description ?: when (bytecodeVersion) {
-            val platformDescription = values().find { it.bytecodeVersion == bytecodeVersion }?.description ?:
+                Opcodes.V1_7 -> "1.7"
-                   when (bytecodeVersion) {
+                else -> null
-                       Opcodes.V1_7 -> "1.7"
+            }
-                       Opcodes.V9 -> "1.9"
-                       else -> null
-                   }
 
             return if (platformDescription != null) "JVM target $platformDescription"
-                    else "JVM bytecode version $bytecodeVersion"
+            else "JVM bytecode version $bytecodeVersion"
         }
     }
 }

compiler/frontend.java/src/org/jetbrains/kotlin/resolve/jvm/checkers/InterfaceDefaultMethodCallChecker.kt

@@ -41,7 +41,7 @@ import org.jetbrains.kotlin.resolve.jvm.diagnostics.ErrorsJvm.*
 class InterfaceDefaultMethodCallChecker(val jvmTarget: JvmTarget) : CallChecker {
 
     override fun check(resolvedCall: ResolvedCall<*>, reportOn: PsiElement, context: CallCheckerContext) {
-        val supportDefaults = jvmTarget == JvmTarget.JVM_1_8
+        val supportDefaults = jvmTarget >= JvmTarget.JVM_1_8
 
         val descriptor = resolvedCall.resultingDescriptor as? CallableMemberDescriptor ?: return
         if (descriptor is JavaPropertyDescriptor) return

compiler/testData/cli/jvm/help.out

@@ -5,7 +5,7 @@ where possible options include:
   -include-runtime           Include Kotlin runtime in to resulting .jar
   -java-parameters           Generate metadata for Java 1.8 reflection on method parameters
   -jdk-home <path>           Path to JDK home directory to include into classpath, if differs from default JAVA_HOME
-  -jvm-target <version>      Target version of the generated JVM bytecode (1.6 or 1.8), default is 1.6
+  -jvm-target <version>      Target version of the generated JVM bytecode (1.6, 1.8, 9, 10, 11 or 12), default is 1.6
   -module-name <name>        Name of the generated .kotlin_module file
   -no-jdk                    Don't include Java runtime into classpath
   -no-reflect                Don't include kotlin-reflect.jar into classpath

compiler/testData/cli/jvm/wrongJvmTargetVersion.out

@@ -1,3 +1,3 @@
 error: unknown JVM target version: 1.5
-Supported versions: 1.6, 1.8
+Supported versions: 1.6, 1.8, 9, 10, 11, 12
 COMPILATION_ERROR

libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/dsl/KotlinJvmOptions.kt

@@ -23,8 +23,8 @@ interface KotlinJvmOptions  : org.jetbrains.kotlin.gradle.dsl.KotlinCommonOption
      var jdkHome: kotlin.String?
 
     /**
-     * Target version of the generated JVM bytecode (1.6 or 1.8), default is 1.6
+     * Target version of the generated JVM bytecode (1.6, 1.8, 9, 10, 11 or 12), default is 1.6
-     * Possible values: "1.6", "1.8"
+     * Possible values: "1.6", "1.8", "9", "10", "11", "12"
      * Default value: "1.6"
      */
      var jvmTarget: kotlin.String