Is publishing of magic statics thread safe?

Question

Imagine I have this:

const string& get_name()
{
static auto* ptr_name=new string(\"Ron\");
return *ptr_name;
}

If multiple threads are

Answer 1

Since C++11, initialization of function scope static variables is thread safe : the first tread calling get_name() will initialize ptr_name, blocking other threads until the initialization is completed. All subsequent calls will use the initialized value.

With prior C++ implementations, there is no such guarantee and all bets are off