[Bug libstdc++/86164] std::regex crashes when matching long lines

[redi at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86164

--- Comment #4 from Jonathan Wakely <redi at gcc dot gnu.org> ---
(In reply to Vadim Zeitlin from comment #3)
> This makes std::regex simply unusable.

Yes, because there are no uses with inputs below 27KiB.