More clang reflection data. #4288

Job	Run time
macOS / Debug / system-clang	6m 13s
macOS / Debug / homebrew-clang	7m 30s
macOS / Release / system-clang	5m 49s
Release / ubuntu-24.04 / x86_64 / gcc	27m 1s
macOS / Release / homebrew-clang	6m 36s
Release / ubuntu-24.04-arm / aarch64 / gcc	21m 7s
Debug / ubuntu-24.04-arm / aarch64 / gcc	19m 59s
Release / ubuntu-24.04-arm / aarch64 / clang	15m 18s
Release / ubuntu-24.04 / x86_64 / clang	22m 48s
Windows / Release / cl	19m 54s
Windows / Release / clang	15m 29s
Debug / ubuntu-24.04-arm / aarch64 / clang	15m 52s
Windows / Release / clang-cl	14m 17s
Windows / Debug / clang	12m 26s
Windows / Debug / clang-cl	11m 43s
Debug / ubuntu-24.04 / x86_64 / gcc	21m 28s
Windows / Debug / cl	14m 20s
Debug / ubuntu-24.04 / x86_64 / clang	18m 38s
	4h 36m 28s

Provide feedback