[Bug testsuite/92165] [10 regression] g++.dg/cpp2a/nodiscard-once.C fails starting with r277205

[phdofthehouse at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92165

--- Comment #3 from JeanHeyd Meneide <phdofthehouse at gmail dot com> ---
Thanks for pinging me about this. I'm at a WG14 Meeting so I won't be able to
get to it immediately, but when I get back I'll get right on fixing!