Method do_deallocate

test/reusable/test_memory_resource.cpp:32–36

  }

  virtual void do_deallocate(void* ptr, size_t bytes,
                             size_t alignment) noexcept override {
    deallocate_called = true;
    ::operator delete(ptr, bytes, ::std::align_val_t(alignment));
  }

  virtual bool do_is_equal(
      const memory_resource& __other) const noexcept override {