[tlbuild] dvi test?

[Mojca Miklavec]

On Mon, 24 Jan 2022 at 06:50, Mojca Miklavec wrote:
> On Mon, 24 Jan 2022 at 00:30, Karl Berry wrote:
> >
> > Attached is a t2a.dvi file (from John Hawkinson,
> > https://tug.org/pipermail/tex-live/2022-January/047679.html ).
> > If you have xdvi on your system, can you try running "xdvi t2a.dvi"
> > and then press "R" (that is, capital R) to reload it?
> >
> > It crashes on varieties of Macs per John and Dick, and did not crash for
> > me on CentOS. So, wondering ... -k
>
> I would try reproducing it on a system that's using libc++, for example FreeBSD.
> (Most notably the two libraries, libc++ and stdlibc++ have different
> ideas on how to parse numbers / how to interpret the standard.)

This one in particular kept John Bowman busy for a while when macOS
10.9 came out (in case it rings a bell to the developer):
    https://bugs.llvm.org/show_bug.cgi?id=17782

I'm not saying it's the case here, but if it works with the TL 2015
binaries (which were probably still compiled against libstdc++) and
fails now, this could be a possible explanation.

Mojca