message: fix cyc ref + opcache bug
diff: #include "swoole_serialize.h"
  #ifdef __SSE2__
  #include <emmintrin.h>
  +#include <php/Zend/zend_types.h>
  #endif
  #if PHP_MAJOR_VERSION >= 7
  @@ -53,14 +54,20 @@ zend_class_entry *swoole_serialize_class_entry_ptr;
  #define SWOOLE_SERI_EOF "EOF"
  +static struct _swSeriaG swSeriaG;
  +
  void swoole_serialize_init(int module_number TSRMLS_DC)
  {
  SWOOLE_INIT_CLASS_ENTRY(swoole_serialize_ce, "swoole_serialize", "Swoole\\Serialize", swoole_serialize_methods);
  swoole_serialize_class_entry_ptr = zend_register_internal_class(&swoole_serialize_ce TSRMLS_CC);
  SWOOLE_CLASS_ALIAS(swoole_serialize, "Swoole\\Serialize");
  - ZVAL_STRING(&swSeriaG.sleep_fname, "__sleep");
  - ZVAL_STRING(&swSeriaG.weekup_fname, "__weekup");
  + // ZVAL_STRING(&swSeriaG.sleep_fname, "__sleep");
  + zend_string *zstr_sleep = zend_string_init("__sleep", sizeof ("__sleep") - 1, 1);
  + zend_string *zstr_weekup = zend_string_init("__weekup", sizeof ("__weekup") - 1, 1);
  + ZVAL_STR(&swSeriaG.sleep_fname, zstr_sleep);
  + ZVAL_STR(&swSeriaG.weekup_fname, zstr_weekup);
  + // ZVAL_STRING(&swSeriaG.weekup_fname, "__weekup");
  memset(&swSeriaG.filter, 0, sizeof (swSeriaG.filter));
  memset(&mini_filter, 0, sizeof (mini_filter));
  