C++11 Garbage Collector - Why and Hows

Question

In C++11\'s language feature list there is:

Minimal support for garbage collection and reachability-based leak detection

(but

Answer 1

From Bjarne Stroustrup:

Actually, what I said was something like "When (not if) automatic garbage collection becomes part of C++, it will be optional".

http://www.stroustrup.com/slashdot_interview.html