test33.cpp: In member function 'void Object1::func1(Data1*)':
test33.cpp:46:15: warning: Using parameter 'ptr1' without checking for null pointer
         ptr1->val = 200;
               ^
test33.cpp: In member function 'void Object1::func2(Data1*)':
test33.cpp:67:15: warning: Using parameter 'ptr1' without checking for null pointer
         ptr1->val = 200;
               ^
test33.cpp: In member function 'void Object1::func3(Data1*)':
test33.cpp:82:19: warning: Using parameter 'ptr1' without checking for null pointer
             ptr1->val = 100;
                   ^
test33.cpp:91:9: warning: Useless variable check 'this->tmp2'. It already was checked before
         if (tmp2)
         ^