Dan Gohman c09b12c622 Apply Jeffrey Yasskin's CallbackVH patch, with minor tweaks from me
to make the copy constructor and destructor protected, and corresponding
adjustments to the unittests.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70644 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-02 21:10:48 +00:00
..
2009-04-05 09:07:08 +00:00
2009-02-20 22:51:36 +00:00