domiyanyue · April 23, 2020 18:56
diff --git a/warning_example_uninitialized.cpp b/warning_example_uninitialized.cpp

 int main(){
    int array[100];
    return array[1];
 }
diff --git a/warning_unintialized.txt b/warning_unintialized.txt
 cpp_tutorial# g++ warning_example.cpp -Wuninitialized -o a
 warning_example.cpp: In function ‘int main()’:
 warning_example.cpp:4:19: warning: ‘array[1]’ is used uninitialized in this function [-Wuninitialized]
     return array[1];
                   ^
	cpp_tutorial# g++ warning_example.cpp -Wuninitialized -o a
	warning_example.cpp: In function ‘int main()’:
	warning_example.cpp:4:19: warning: ‘array[1]’ is used uninitialized in this function [-Wuninitialized]
	return array[1];
	^