test39.cpp: In member function 'void Object1::func1(Data1*) const': test39.cpp:63:24: warning: Using variable 'ptr1' without checking for null pointer ptr1->val = 100; ^ test39.cpp:63:24: warning: Using variable 'ptr1' without checking for null pointer test39.cpp:73:22: warning: Using variable 'ptr1' without checking for null pointer ptr1->val = 0; ^ test39.cpp:73:22: warning: Using variable 'ptr1' without checking for null pointer test39.cpp: In member function 'void Object1::func2(Data1*) const': test39.cpp:96:51: warning: Using variable 'ptr1' without checking for null pointer ptr1->ptrval = reinterpret_cast(1); ^ test39.cpp:96:15: warning: Using variable 'ptr1' without checking for null pointer ptr1->ptrval = reinterpret_cast(1); ^ test39.cpp: In member function 'void Object1::func3(Data1*) const': test39.cpp:119:25: warning: Using variable 'ptr1' without checking for null pointer ptr1->ptrval = 0; ^ test39.cpp:119:15: warning: Using variable 'ptr1' without checking for null pointer ptr1->ptrval = 0; ^ test39.cpp: In member function 'void Object1::func4() const': test39.cpp:152:16: warning: unused variable 'ptr1' [-Wunused-variable] Data1 *ptr1 = &data2; ^ test39.cpp: In member function 'void Object1::func5() const': test39.cpp:175:15: warning: unused variable 'data2' [-Wunused-variable] Data1 data2; ^ test39.cpp:195:16: warning: unused variable 'ptr1' [-Wunused-variable] Data1 *ptr1 = reinterpret_cast(&data1); ^ test39.cpp: In member function 'int Object1::func6(Data1*) const': test39.cpp:218:13: warning: variable 'arr' set but not used [-Wunused-but-set-variable] int arr[10]; ^ test39.cpp:228:27: warning: Using variable 'ptr1' without checking for null pointer arr[1] = ptr1->val; ^ test39.cpp:238:22: warning: Using variable 'ptr1' without checking for null pointer return ptr1->val; ^ test39.cpp: In member function 'void Object1::func7(Data1*, Data1*) const': test39.cpp:252:23: warning: Using variable 'ptr1' without checking for null pointer if (ptr1->val == ptr2->val) ^ test39.cpp:252:23: warning: Using variable 'ptr2' without checking for null pointer