[Bug c++/88554] [9 Regression] Segfault ICE when falling off the end of a reference-returning friend operator

[redi at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88554

--- Comment #2 from Jonathan Wakely <redi at gcc dot gnu.org> ---
(In reply to Arthur O'Dwyer from comment #0)
> This is happening in trunk but not in GCC 8.2, so it must be a very recent
> regression.

You can't assume that, gcc-8-branch was branched from trunk in April.

It regressed in early August.