Doesn&#x27;t have one.  Reference counting is available as a (what looks like third-party) library: <a href="http:&#x2F;&#x2F;www.adacore.com&#x2F;adaanswers&#x2F;gems&#x2F;gem-97-reference-counting-in-ada-part-1&#x2F;" rel="nofollow">http:&#x2F;&#x2F;www.adacore.com&#x2F;adaanswers&#x2F;gems&#x2F;gem-97-reference-coun...</a><p>I guess you could say that is even less reliance on GC than C++ has, with smart pointers being part of the standard.