[Bug c++/99677] [[gnu::const]] attribute does not prevent dead global variable gets emitted.

[unlvsur at live dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99677

--- Comment #4 from cqwrteur <unlvsur at live dot com> ---
(In reply to Andrew Pinski from comment #3)
> I think this is a dup of bug 99456.

I do not think so because this has nothing to do with constexpr.

better @jakub to see whether he has some solutions.