test11.cpp: In member function 'void Object1::func2(Data1*, Data1*)':
test11.cpp:25:19: warning: Using parameter 'ptr1' without checking for null pointer
             ptr1->val = 200;
                   ^
test11.cpp:29:15: warning: Using parameter 'ptr1' without checking for null pointer
         ptr1->val = 300;
               ^
test11.cpp: In member function 'void Object1::func3(Data1*, Data1*)':
test11.cpp:34:27: warning: Using parameter 'ptr1' without checking for null pointer
         if (ptr1 || ptr1->val == 100)
                           ^
test11.cpp:39:15: warning: Using parameter 'ptr1' without checking for null pointer
         ptr1->val = 200;
               ^
test11.cpp: In member function 'void Object1::func4(Data1*, Data1*)':
test11.cpp:44:28: warning: Using parameter 'ptr1' without checking for null pointer
         if (!ptr1 && ptr1->val == 100)
                            ^
test11.cpp:49:15: warning: Using parameter 'ptr1' without checking for null pointer
         ptr1->val = 200;
               ^
test11.cpp: In member function 'void Object1::func6(Data1*, Data1*)':
test11.cpp:70:15: warning: Using parameter 'ptr1' without checking for null pointer
         ptr1->val = 300;
               ^
test11.cpp:71:15: warning: Using parameter 'ptr2' without checking for null pointer
         ptr2->val = 400;
               ^