https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79092
--- Comment #3 from Matt Calabrese <rivorus at gmail dot com> --- This bug is fairly nasty and I think should be higher priority. I suspect that many people who use template auto will encounter it in very subtle ways. I observed it deep in expression-template code by way of incorrect results and it took a while to diagnose. Even if people happen to not directly observe the issue, this bug can very easily lead to ODR violations if different translation units happen to include files that instantiate the template, but do so in different orders.
