cms-sw/root — pull request #47 by Dr15Jones (2014-10-23 18:29:56+00:00)
Title: Always delete the array when the array size goes down to zero.

This fixes a problem seen by CMS when using TH1::Copy on histograms read
from a TTree.

This amend commit d31f38f98c66af492c20c3bf060df13d64c465f0 (circa 2005)