Do not write your own double-checked locking for initialization

Reason

Since C++11, static local variables are now initialized in a thread-safe way. When combined with the RAII pattern, static local variables can replace the need for writing your own double-checked locking for initialization. std::call_once can also achieve the same purpose. Use either static local variables of C++11 or std::call_once instead of writing your own double-checked locking for initialization.

Example

Example with std::call_once.

void f()
{
    static std::once_flag my_once_flag;
    std::call_once(my_once_flag, []()
    {
        // do this only once
    });
    // ...
}

Example with thread-safe static local variables of C++11.

void f()
{
    // Assuming the compiler is compliant with C++11
    static My_class my_object; // Constructor called only once
    // ...
}

class My_class
{
public:
    My_class()
    {
        // do this only once
    }
};

Enforcement

??? Is it possible to detect the idiom?