Switch enableJvmDefault to jvmDefaultMode

compiler/util/src/org/jetbrains/kotlin/config/AnalysisFlag.kt

@@ -32,6 +32,10 @@ class AnalysisFlag<out T> internal constructor(
             operator fun provideDelegate(instance: Any?, property: KProperty<*>) = Flag(property.name, Jsr305State.DEFAULT)
         }
 
+        object JvmDefaultModeDisabledByDefaul {
+            operator fun provideDelegate(instance: Any?, property: KProperty<*>) = Flag(property.name, org.jetbrains.kotlin.config.JvmDefaultMode.DISABLE)
+        }
+
         object ListOfStrings {
             operator fun provideDelegate(instance: Any?, property: KProperty<*>) = Flag(property.name, emptyList<String>())
         }
@@ -60,9 +64,9 @@ class AnalysisFlag<out T> internal constructor(
         val explicitApiVersion by Flag.Boolean
 
         @JvmStatic
-        val enableJvmDefault by Flag.Boolean
+        val ignoreDataFlowInAssert by Flag.Boolean
 
         @JvmStatic
-        val ignoreDataFlowInAssert by Flag.Boolean
+        val jvmDefaultMode by Flag.JvmDefaultModeDisabledByDefaul
     }
 }

compiler/util/src/org/jetbrains/kotlin/config/JvmDefaultMode.kt

@@ -0,0 +1,23 @@
+/*
+ * Copyright 2010-2018 JetBrains s.r.o. 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.config
+
+enum class JvmDefaultMode(val description: String) {
+    DISABLE("disable"),
+    ENABLE("enable"),
+    ENABLE_WITH_DEFAULT_IMPLS("compatibility");
+
+    val isEnabled
+        get() = this != DISABLE
+
+    companion object {
+        @JvmField
+        val DEFAULT = DISABLE
+
+        @JvmStatic
+        fun fromStringOrNull(string: String?) = values().find { it.description == string }
+    }
+}