[Bug libstdc++/121929] std::format prints a valid-looking date for invalid 2020y/January/Friday[10]

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121929

Tomasz Kamiński <tkaminsk at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Assignee|unassigned at gcc dot gnu.org      |tkaminsk at gcc dot 
gnu.org
   Last reconfirmed|                            |2025-10-09
             Status|UNCONFIRMED                 |NEW
     Ever confirmed|0                           |1