Kapt: Strict mode. Issue an error if the converter fails to process a class (#KT-25518, #KT-24272)

libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/internal/kapt/Kapt3KotlinGradleSubplugin.kt

@@ -341,6 +341,7 @@ class Kapt3KotlinGradleSubplugin : KotlinGradleSubplugin<KotlinCompile> {
         pluginOptions += SubpluginOption("useLightAnalysis", "${kaptExtension.useLightAnalysis}")
         pluginOptions += SubpluginOption("correctErrorTypes", "${kaptExtension.correctErrorTypes}")
         pluginOptions += SubpluginOption("mapDiagnosticLocations", "${kaptExtension.mapDiagnosticLocations}")
+        pluginOptions += SubpluginOption("strictMode", "${kaptExtension.strictMode}")
         pluginOptions += SubpluginOption("infoAsWarnings", "${project.isInfoAsWarnings()}")
         pluginOptions += FilesSubpluginOption("stubs", listOf(getKaptStubsDir()))
 

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

@@ -32,6 +32,8 @@ open class KaptExtension {
 
     open var mapDiagnosticLocations: Boolean = false
 
+    open var strictMode: Boolean = false
+
     @Deprecated("Use `annotationProcessor()` and `annotationProcessors()` instead")
     open var processors: String = ""