/* performs a basic GC step if collector is running  */
void luaC_step(lua_State *L)
/* performs a basic GC step if collector is running  */
void luaC_step(lua_State *L)
{
    if(isdecGCmodegen(g))
      genstep(L, g);
    else
      incstep(L, g);
  }
}