串口输出：
global: Constructed OK
local: Constructed OK
heap: Constructed OK
heap: deallocation
local: deallocation

说明：编写了一个HelloWorld的类，在cplus_task中打印各对象的状态
class HelloWorld {
private:
   int check_init;
   const char *id;
public:
   HelloWorld() {
      check_init = 0x1234567;
   }
   ~HelloWorld() {
      _io_printf("%s: deallocation\n",id);
   }
   void print(const char *x) {
      id = x;
      if (check_init == 0x1234567) {
         _io_printf("%s: Constructed OK\n",id);
      } else {
         _io_printf("%s: Constructor not called\n",id);
      }
   }
};

HelloWorld global;

/*TASK*-----------------------------------------------------
* 
* Task Name    : cplus_task
* Comments     :
*    This task prints the state of each object
*
*END*-----------------------------------------------------*/

void cplus_task
   (
      uint_32 initial_data
   )
{
   { // Scope for local to destruct
      HelloWorld local;
      HelloWorld *heap;

global.print("global");
      local.print("local");
      heap = new HelloWorld;
      if (heap != 0) {
         heap->print("heap");
         delete heap;
      } else {
         _io_printf("heap: new failed\n");
      } /* Endif */
   } // local should destruct
   _io_fflush(stdout);
   _task_block();
}

串口输出：