zedth2

I tried it in a VM running Fedora 33. Fedoras repos push the ldc2 compiler. It works fine here. GtkD version is gtkd 3.9.0-3 ldc2 --version LDC - the LLVM...

[https://github.com/rontarrant/gtkDcoding/blob/21b1bb0aa44e3772b2919487adbb03336337187f/017_mvc/mvc_017_06_combobox_liststore.d#L69](mvc_017_06_combobox_liststore.d#L69) I've been able to narrow down the problem to this line specifically. Though reading your code and the API code nothing looks out of place. Here's the valgrind output....

Well it works with whatever version dub pulls in, 3.9.0. So I guess I'll just use that for now.

The first box is Arch Linux. I haven't dug into the different versions. Since dub just works I haven't bothered to go back and try and figure it out.