[Bug libstdc++/94869] [10 Regression] Template argument deduction/substitution failure with Howard Hinnant's calendar library

[redi at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94869

--- Comment #5 from Jonathan Wakely <redi at gcc dot gnu.org> ---
If I change your code to use date::local_time (as suggested by GCC 9) then it
compiles as expected with any recent version of GCC.