The following program is rejected by javac after the fix for JDK-8078093:

===
import java.util.concurrent.ExecutorService;

abstract class T {
  void f(ExecutorService s) {
    s.submit(() -> run(() -> {}));
  }

  abstract <E extends Throwable> void run(ThrowableRunnable<E> action) throws E;

  public interface ThrowableRunnable<T extends Throwable> {
    void run() throws T;
  }
}
===

javac full version "9-ea+157"

T.java:5: error: incompatible types: inference variable T has incompatible bounds
    s.submit(() -> run(() -> {}));
            ^
    upper bounds: Object
    lower bounds: void
  where T is a type-variable:
    T extends Object declared in method <T>submit(Callable<T>)
1 error