[Bug c++/123538] ARM64 gcc trunk crashes valid c++23 std::println program

[redi at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=123538

--- Comment #5 from Jonathan Wakely <redi at gcc dot gnu.org> ---
(In reply to Jonathan Wakely from comment #1)
> Could you try a supported release? 15.1.1

I realised you said "trunk" in the title, but the Version said 15.1.1, so I
updated the Version field and forgot to delete this text.

I've also confirmed that this isn't a bug on real arm64 hardware, so like
Andrew said, its' a problem with compiler explorer.