[compiler-rt] [libc] [lldb] [clang] [llvm] [flang] [libcxx] [clang-tools-extra] [flang] FDATE extension implementation: get date and time in ctime format (PR #71222)

[Yi Wu via cfe-commits]

yi-wu-arm wrote:

Hi @jeanPerier I have made some changes, mainly on test cases and use `char *` instead of `std::int_8t` for arg input. Saw your activity on GitHub, could you review the changes? Thanks in advance!

https://github.com/llvm/llvm-project/pull/71222