*/

  /**
   * Padded variant of AtomicLong supporting only raw accesses plus CAS. The value field is placed
   * between pads, hoping that the JVM doesn't reorder them.
   *
   * <p>JVM intrinsics note: It would be possible to use a release-only form of CAS here, if it were
   * provided.
   */
  static final class Cell {
    volatile long p0, p1, p2, p3, p4, p5, p6;
    volatile long value;

   */

  /**
   * Padded variant of AtomicLong supporting only raw accesses plus CAS. The value field is placed
   * between pads, hoping that the JVM doesn't reorder them.
   *
   * <p>JVM intrinsics note: It would be possible to use a release-only form of CAS here, if it were
   * provided.
   */
  static final class Cell {
    volatile long p0, p1, p2, p3, p4, p5, p6;
    volatile long value;

                  }
                  throw new NoSuchFieldError("the Unsafe");
                });
      } catch (PrivilegedActionException e) {
        throw new RuntimeException("Could not initialize intrinsics", e.getCause());
      }
    }

    static {
      theUnsafe = getUnsafe();
      BYTE_ARRAY_BASE_OFFSET = theUnsafe.arrayBaseOffset(byte[].class);

      // sanity check - this should never fail

                }
                throw new NoSuchFieldError("the Unsafe");
              }
            });
      } catch (PrivilegedActionException e) {
        throw new RuntimeException("Could not initialize intrinsics", e.getCause());
      }
    }

    private volatile RunnableExecutorPair head = NULL_PAIR;

    public void add(Runnable runnable, Executor executor) {