[Bug c++/66515] [5/6 Regression] g++ segfaults when creating an std::initializer_list

[trippels at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66515

--- Comment #2 from Markus Trippelsdorf <trippels at gcc dot gnu.org> ---
Might be related to PR59832.