test33.cpp: In member function 'void Object1::func1(Data1*)':
test33.cpp:46:24: warning: Using variable 'ptr1' without checking for null pointer
         ptr1->val = 200;
                        ^
test33.cpp:46:24: warning: Using variable 'ptr1' without checking for null pointer
test33.cpp: In member function 'void Object1::func2(Data1*)':
test33.cpp:67:24: warning: Using variable 'ptr1' without checking for null pointer
         ptr1->val = 200;
                        ^
test33.cpp:67:24: warning: Using variable 'ptr1' without checking for null pointer
test33.cpp: In member function 'void Object1::func3(Data1*)':
test33.cpp:82:28: warning: Using variable 'ptr1' without checking for null pointer
             ptr1->val = 100;
                            ^
test33.cpp:82:28: warning: Using variable 'ptr1' without checking for null pointer
test33.cpp:91:9: warning: Useless variable check 'this->tmp2'. It already was checked before
         if (tmp2)
         ^