/in/foo.cc: In member function 'void Date::DateAdd()':
/in/foo.cc:48:20: warning: suggest parentheses around assignment used as truth value [-Wparentheses]
             if(m=13)
                    ^
/in/foo.cc: In function 'int Test1(int, int, int, int)':
/in/foo.cc:68:1: warning: no return statement in function returning non-void [-Wreturn-type]
 }
 ^