[Bug c++/70145] g++-5 and g++-6: invalid code generated for -fno-elide-constructors and constexpr array

[redi at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70145

--- Comment #1 from Jonathan Wakely <redi at gcc dot gnu.org> ---
Probably PR70139