This VclPtr thing got merged a couple of weeks ago: https://people.gnome.org/~michael/blog/2015-04-28.html
There is still some cleanup to be done and we will track any related crashers or other weirdness here.
Confirmed ;-) there is some fallout.
Let’s add all of the related reports here, then.
This bug seems VclPtr issue : https://bugs.documentfoundation.org/show_bug.cgi?id=93967