[Bug libstdc++/124539] Unimplemented rules for chrono::tzdb parsing of tzdata.zi file

[tkaminsk at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=124539

--- Comment #3 from Tomasz Kamiński <tkaminsk at gcc dot gnu.org> ---
The rule from second comment was implemented by PR124539.