return lockedGetOrLoad(key, hash, loader);
      } catch (ExecutionException ee) {
        Throwable cause = ee.getCause();
        if (cause instanceof Error) {
          throw new ExecutionError((Error) cause);
        } else if (cause instanceof RuntimeException) {
          throw new UncheckedExecutionException(cause);
        }
        throw ee;
      } finally {

          forwardCmp = (Comparator) Ordering.natural();
        }
        result = comparator = reverse(forwardCmp);
      }
      return result;
    }

    // If we inline this, we get a javac error.
    private static <T extends @Nullable Object> Ordering<T> reverse(Comparator<T> forward) {
      return Ordering.from(forward).reverse();
    }

    @Override
    @ParametricNullness

    }
  }

  public void testTransformAsync_asyncFunction_error() throws InterruptedException {
    final Error error = new Error("deliberate");
    AsyncFunction<String, Integer> function =
        new AsyncFunction<String, Integer>() {
          @Override
          public ListenableFuture<Integer> apply(String input) {
            throw error;
          }
        };

   *     underlying this step or, if {@code get()} throws a different kind of exception, that
   *     exception itself. To avoid hiding bugs and other unrecoverable errors, callers should
   *     prefer more specific types, avoiding {@code Throwable.class} in particular.
   * @param fallback the function to be called if this step fails with the expected exception type.

they hit her; and the baby was howling so much already, that it
was quite impossible to say whether the blows hurt it or not.

  `Oh, PLEASE mind what you're doing!' cried Alice, jumping up
and down in an agony of terror.  `Oh, there goes his PRECIOUS
nose'; as an unusually large saucepan flew close by it, and very
nearly carried it off.

  `If everybody minded their own business,' the Duchess said in a

    }
  }

  public void testTransformAsync_asyncFunction_error() throws InterruptedException {
    final Error error = new Error("deliberate");
    AsyncFunction<String, Integer> function =
        new AsyncFunction<String, Integer>() {
          @Override
          public ListenableFuture<Integer> apply(String input) {
            throw error;
          }
        };

        return lockedGetOrLoad(key, hash, loader);
      } catch (ExecutionException ee) {
        Throwable cause = ee.getCause();
        if (cause instanceof Error) {
          throw new ExecutionError((Error) cause);
        } else if (cause instanceof RuntimeException) {
          throw new UncheckedExecutionException(cause);
        }
        throw ee;
      } finally {

they hit her; and the baby was howling so much already, that it
was quite impossible to say whether the blows hurt it or not.

  `Oh, PLEASE mind what you're doing!' cried Alice, jumping up
and down in an agony of terror.  `Oh, there goes his PRECIOUS
nose'; as an unusually large saucepan flew close by it, and very
nearly carried it off.

  `If everybody minded their own business,' the Duchess said in a