LLVM 19 related updates #4515

Job	Run time
build-macos-latest-clang	45s
build-freebsd-latest-clang	1m 59s
build-dragonflybsd-latest-gcc	2m 19s
build-netbsd-latest-gcc	2m 45s
build-openbsd-latest-clang	2m 25s
build-ubuntu-latest-clang-analyzer	1m 19s
build-solaris-latest-gcc	3m 32s
build-ubuntu-latest-clang-sanitizer	1m 0s
build-ubuntu-latest-full-featured-gcc	49s
build-ubuntu-latest-full-featured-clang	1m 11s
build-ubuntu-latest-gcc-static	54s
build-ubuntu-latest-minimal-clang	1m 0s
build-ubuntu-latest-minimal-gcc	39s
build-ubuntu-latest-pcp	24s
lint-pcp-config	2s
lint-whitespace	3s
	21m 6s

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