G1MemoryPoolSuper::G1MemoryPoolSuper(G1CollectedHeap* g1h,
                                     const char* name,
                                     size_t init_size,
                                     bool support_usage_threshold) :

  {- -------------------------------------------
  (1) スーパークラスの初期化, (フィールドの初期化)
      ---------------------------------------- -}

      _g1h(g1h), CollectedMemoryPool(name,
                                       MemoryPool::Heap,
                                       init_size,
                                       undefined_max(),
                                       support_usage_threshold) {

  {- -------------------------------------------
  (1) (assert)
      ---------------------------------------- -}

      assert(UseG1GC, "sanity");
    }