[Bug c++/103879] error: accessing value of variant::_Copy_ctor_base through a 'const variant' glvalue in a constant expression

[hewillk at gmail dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103879

--- Comment #10 from 康桓瑋 <hewillk at gmail dot com> ---
(In reply to Patrick Palka from comment #9)
> That one unfortunately seems to be an unrelated constexpr bug.  Mind opening
> a separate PR?
> 
> I'm reducing the testcase..

Reported PR103924.