[clang] [clang] replaced the usage of `asctime` with `std::put_time` (PR #99075)

[Aaron Ballman via cfe-commits]

AaronBallman wrote:

Blech, thank you for trying! I guess that unless there's some way to hide this ugliness in the cmake scripts or someone else has better ideas to try, the `asm` aliasing (on Solaris only) may be our best path forward.

https://github.com/llvm/llvm-project/pull/99075