[Bug c++/70139] [5/6 Regression] -fno-ellide-constructor makes static std::regex to throw

[redi at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70139

--- Comment #4 from Jonathan Wakely <redi at gcc dot gnu.org> ---
(In reply to Viktor Ostashevskyi from comment #3)
> Could be the same problem as in PR70145.

Almost certainly