Hmm ... It's impossible ;-) This RPM doesn't exist on any FTP server

Provides :
clang12
clang12(x86-64)
libclang_rt.asan-x86_64.so()(64bit)
libclang_rt.dyndd-x86_64.so()(64bit)
libclang_rt.hwasan-x86_64.so()(64bit)
libclang_rt.memprof-x86_64.so()(64bit)
libclang_rt.scudo-x86_64.so()(64bit)
libclang_rt.scudo_minimal-x86_64.so()(64bit)
libclang_rt.ubsan_minimal-x86_64.so()(64bit)
libclang_rt.ubsan_standalone-x86_64.so()(64bit)

Requires :

/bin/sh
/bin/sh
/usr/bin/python3
libLLVM.so.12()(64bit)
libLLVM.so.12(LLVM_12)(64bit)
libLTO12
libc.so.6()(64bit)
libc.so.6(GLIBC_2.14)(64bit)
libc.so.6(GLIBC_2.16)(64bit)
libc.so.6(GLIBC_2.17)(64bit)
libc.so.6(GLIBC_2.2.5)(64bit)
libc.so.6(GLIBC_2.3.2)(64bit)
libc.so.6(GLIBC_2.3.4)(64bit)
libc.so.6(GLIBC_2.4)(64bit)
libc.so.6(GLIBC_2.6)(64bit)
libclang-cpp.so.12()(64bit)
libclang.so.12()(64bit)
libclang.so.12(LLVM_12)(64bit)
libclang12
libdl.so.2()(64bit)
libdl.so.2(GLIBC_2.2.5)(64bit)
libgcc_s.so.1()(64bit)
libgcc_s.so.1(GCC_3.0)(64bit)
libgcc_s.so.1(GCC_3.3)(64bit)
libm.so.6()(64bit)
libm.so.6(GLIBC_2.2.5)(64bit)
libm.so.6(GLIBC_2.27)(64bit)
libm.so.6(GLIBC_2.29)(64bit)
libpthread.so.0()(64bit)
libpthread.so.0(GLIBC_2.2.5)(64bit)
libpthread.so.0(GLIBC_2.3.2)(64bit)
libstdc++.so.6()(64bit)
libstdc++.so.6(CXXABI_1.3)(64bit)
libstdc++.so.6(CXXABI_1.3.3)(64bit)
libstdc++.so.6(CXXABI_1.3.5)(64bit)
libstdc++.so.6(CXXABI_1.3.7)(64bit)
libstdc++.so.6(GLIBCXX_3.4)(64bit)
libstdc++.so.6(GLIBCXX_3.4.11)(64bit)
libstdc++.so.6(GLIBCXX_3.4.14)(64bit)
libstdc++.so.6(GLIBCXX_3.4.15)(64bit)
libstdc++.so.6(GLIBCXX_3.4.18)(64bit)
libstdc++.so.6(GLIBCXX_3.4.19)(64bit)
libstdc++.so.6(GLIBCXX_3.4.20)(64bit)
libstdc++.so.6(GLIBCXX_3.4.21)(64bit)
libstdc++.so.6(GLIBCXX_3.4.22)(64bit)
libstdc++.so.6(GLIBCXX_3.4.30)(64bit)
libstdc++.so.6(GLIBCXX_3.4.9)(64bit)
libxml2.so.2()(64bit)
libxml2.so.2(LIBXML2_2.4.30)(64bit)
libxml2.so.2(LIBXML2_2.5.2)(64bit)
libxml2.so.2(LIBXML2_2.6.0)(64bit)
rpmlib(CompressedFileNames) <= 3.0.4-1
rpmlib(FileDigests) <= 4.6.0-1
rpmlib(PayloadFilesHavePrefix) <= 4.0-1
rpmlib(PayloadIsXz) <= 5.2-1
update-alternatives
update-alternatives

Content of RPM :
/etc/alternatives/c-index-test
/etc/alternatives/clang
/etc/alternatives/clang++
/etc/alternatives/clang-apply-replacements
/etc/alternatives/clang-change-namespace
/etc/alternatives/clang-check
/etc/alternatives/clang-cl
/etc/alternatives/clang-cpp
/etc/alternatives/clang-extdef-mapping
/etc/alternatives/clang-format
/etc/alternatives/clang-include-fixer
/etc/alternatives/clang-move
/etc/alternatives/clang-offload-bundler
/etc/alternatives/clang-offload-wrapper
/etc/alternatives/clang-query
/etc/alternatives/clang-refactor
/etc/alternatives/clang-rename
/etc/alternatives/clang-reorder-fields
/etc/alternatives/clang-scan-deps
/etc/alternatives/clang-tidy
/etc/alternatives/clang.1.gz
/etc/alternatives/clangd
/etc/alternatives/diagtool
/etc/alternatives/diagtool.1.gz
/etc/alternatives/find-all-symbols
/etc/alternatives/modularize
/etc/alternatives/pp-trace
/usr/bin/c-index-test
/usr/bin/c-index-test-12.0.1
/usr/bin/clang
There is 133 files more in these RPM.