[clang] [Clang][RFC] Bypass TAD during overload resolution if a perfect match exists (PR #133426)

[Nikita Popov via cfe-commits]

nikic wrote:

The final version had a 4% improvement on clang bootstrap: https://llvm-compile-time-tracker.com/compare.php?from=23324b8b109aed1f77cb20cef476b795f33b6835&to=8c5a307bd8d406e6167a5cd3ce3c74e2e3bfb2a6&stat=instructions:u

Wow.

https://github.com/llvm/llvm-project/pull/133426