[Bug c++/67364] [5/6 Regression] "accessing uninitialized member" error in constexpr context

[mpolacek at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67364

--- Comment #4 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
Is there any practical difference between brace-init-list:
constexpr closure() : member{} { }
and expression-list:
constexpr closure() : member() { }
?