Draft Kotlin Coroutines 1.3 ABI & API:

* SuccessOrFailure inline class is introduced
* Continuation.resumeWith(SuccessOrFailure)
* createCoroutineUnintercepted
* [Restricted]ContinuationImpl as named suspending function base
* [Restricted]SuspendLambda as suspending lambda base
* SuspendFunction[01] interfaces for efficient createCoroutine
* Serializable coroutine classes

libraries/stdlib/jvm/runtime/kotlin/jvm/internal/Reflection.java

@@ -69,6 +69,11 @@ public class Reflection {
         return factory.renderLambdaToString(lambda);
     }
 
+    @SinceKotlin(version = "1.3")
+    public static String renderLambdaToString(FunctionBase lambda) {
+        return factory.renderLambdaToString(lambda);
+    }
+
     // Functions
 
     public static KFunction function(FunctionReference f) {

libraries/stdlib/jvm/runtime/kotlin/jvm/internal/ReflectionFactory.java

@@ -33,6 +33,11 @@ public class ReflectionFactory {
 
     @SinceKotlin(version = "1.1")
     public String renderLambdaToString(Lambda lambda) {
+        return renderLambdaToString((FunctionBase) lambda);
+    }
+
+    @SinceKotlin(version = "1.3")
+    public String renderLambdaToString(FunctionBase lambda) {
         String result = lambda.getClass().getGenericInterfaces()[0].toString();
         return result.startsWith(KOTLIN_JVM_FUNCTIONS) ? result.substring(KOTLIN_JVM_FUNCTIONS.length()) : result;
     }