https://gcc.gnu.org/bugzilla/show_bug.cgi?id=123189
--- Comment #2 from Dhruv Chawla <dhruvc at gcc dot gnu.org> ---
(In reply to Richard Biener from comment #1)
> If before the commit the reduced testcase is rejected it's not valid. I
> suspect this is over-reduced. You can adjust the reduction script to verify
> the reduced input is still accepted before the offending rev.
Hi Richi, I tried reducing this again:
===
namespace {
namespace {
template <typename a> class b { friend b c<>() noexcept(a ::d); };
} // namespace
} // namespace
===
This no longer gives an error with the passing commit.
