kotlin-fork/idea/testData/gradle/configurator/enableFeatureSupportToExistentArgumentsWithXFlag/build.gradle

buildscript {
    repositories {
        jcenter()
        mavenCentral()
        maven { url 'https://dl.bintray.com/kotlin/kotlin-eap' }
    }
    dependencies {
        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:1.3.60-eap-76"
    }
}
apply plugin: "kotlin"
repositories {
    jcenter()
    mavenCentral()
    maven { url 'https://dl.bintray.com/kotlin/kotlin-dev' }
}
dependencies {
    compile "org.jetbrains.kotlin:kotlin-stdlib"
}
compileKotlin {
    kotlinOptions {
        freeCompilerArgs = ["-XXLanguage:+SamConversionForKotlinFunctions"] // Free compiler arguments
    }
}