Kapt3, minor: Enable parameter name saving in javac ClassReader

plugins/kapt3/src/org/jetbrains/kotlin/kapt3/KaptContext.kt

@@ -17,6 +17,7 @@
 package org.jetbrains.kotlin.kapt3
 
 import com.sun.tools.javac.file.JavacFileManager
+import com.sun.tools.javac.jvm.ClassReader
 import com.sun.tools.javac.main.JavaCompiler
 import com.sun.tools.javac.util.Context
 import com.sun.tools.javac.util.Options
@@ -51,6 +52,8 @@ class KaptContext(
         fileManager = context.get(JavaFileManager::class.java) as JavacFileManager
         compiler = JavaCompiler.instance(context) as KaptJavaCompiler
 
+        ClassReader.instance(context).saveParameterNames = true
+
         javaLog = compiler.log as KaptJavaLog
 
         options = Options.instance(context)