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

Provides :
clang-tools-extra
clang-tools-extra(x86-64)

Requires :

clang-libs(x86-64) = 8.0.0-20181005svn343848.fc27
emacs-filesystem
ld-linux-x86-64.so.2()(64bit)
ld-linux-x86-64.so.2(GLIBC_2.3)(64bit)
libLLVM-8svn.so()(64bit)
libLLVM-8svn.so(LLVM_8)(64bit)
libc.so.6()(64bit)
libc.so.6(GLIBC_2.14)(64bit)
libc.so.6(GLIBC_2.2.5)(64bit)
libc.so.6(GLIBC_2.4)(64bit)
libclangAST.so.8svn()(64bit)
libclangASTMatchers.so.8svn()(64bit)
libclangApplyReplacements.so.8svn()(64bit)
libclangBasic.so.8svn()(64bit)
libclangChangeNamespace.so.8svn()(64bit)
libclangDaemon.so.8svn()(64bit)
libclangDriver.so.8svn()(64bit)
libclangDynamicASTMatchers.so.8svn()(64bit)
libclangFormat.so.8svn()(64bit)
libclangFrontend.so.8svn()(64bit)
libclangIncludeFixer.so.8svn()(64bit)
libclangLex.so.8svn()(64bit)
libclangQuery.so.8svn()(64bit)
libclangReorderFields.so.8svn()(64bit)
libclangRewrite.so.8svn()(64bit)
libclangSema.so.8svn()(64bit)
libclangTidy.so.8svn()(64bit)
libclangTidyAbseilModule.so.8svn()(64bit)
libclangTidyAndroidModule.so.8svn()(64bit)
libclangTidyBoostModule.so.8svn()(64bit)
libclangTidyBugproneModule.so.8svn()(64bit)
libclangTidyCERTModule.so.8svn()(64bit)
libclangTidyCppCoreGuidelinesModule.so.8svn()(64bit)
libclangTidyFuchsiaModule.so.8svn()(64bit)
libclangTidyGoogleModule.so.8svn()(64bit)
libclangTidyHICPPModule.so.8svn()(64bit)
libclangTidyLLVMModule.so.8svn()(64bit)
libclangTidyMPIModule.so.8svn()(64bit)
libclangTidyMiscModule.so.8svn()(64bit)
libclangTidyModernizeModule.so.8svn()(64bit)
libclangTidyObjCModule.so.8svn()(64bit)
libclangTidyPerformanceModule.so.8svn()(64bit)
libclangTidyPortabilityModule.so.8svn()(64bit)
libclangTidyReadabilityModule.so.8svn()(64bit)
libclangTidyZirconModule.so.8svn()(64bit)
libclangTooling.so.8svn()(64bit)
libclangToolingCore.so.8svn()(64bit)
libclangToolingRefactor.so.8svn()(64bit)
libfindAllSymbols.so.8svn()(64bit)
libgcc_s.so.1()(64bit)
libgcc_s.so.1(GCC_3.0)(64bit)
libm.so.6()(64bit)
libpthread.so.0()(64bit)
libpthread.so.0(GLIBC_2.2.5)(64bit)
libstdc++.so.6()(64bit)
libstdc++.so.6(CXXABI_1.3)(64bit)
libstdc++.so.6(CXXABI_1.3.11)(64bit)
libstdc++.so.6(CXXABI_1.3.2)(64bit)
libstdc++.so.6(CXXABI_1.3.3)(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_3.4.21)(64bit)
libstdc++.so.6(GLIBCXX_3.4.22)(64bit)
rpmlib(CompressedFileNames) <= 3.0.4-1
rpmlib(FileDigests) <= 4.6.0-1
rpmlib(PayloadFilesHavePrefix) <= 4.0-1
rpmlib(PayloadIsXz) <= 5.2-1
rtld(GNU_HASH)

Content of RPM :
/usr/bin/clang-apply-replacements
/usr/bin/clang-change-namespace
/usr/bin/clang-include-fixer
/usr/bin/clang-query
/usr/bin/clang-refactor
/usr/bin/clang-rename
/usr/bin/clang-reorder-fields
/usr/bin/clang-tidy
/usr/bin/clangd
/usr/bin/find-all-symbols
/usr/bin/modularize
/usr/lib/.build-id
/usr/lib/.build-id/2c/6e5f0ef3e86df73596b8e238953b113246ce8b
/usr/lib/.build-id/4b
/usr/lib/.build-id/4b/2aae0a77c276d86aea6b65e9d7028c8ecb2b59
/usr/lib/.build-id/64
/usr/lib/.build-id/64/d2f68bf3af9260096201a30c76409b5359c567
/usr/lib/.build-id/6a
/usr/lib/.build-id/6a/c0a656bcba904b872453c4213625695caead09
/usr/lib/.build-id/74/55448fa7e2029a220d652a0dd60abcffc83eda
/usr/lib/.build-id/83
/usr/lib/.build-id/83/f2f94dcf213389bfb1b812733ebc90c54a0c3a
/usr/lib/.build-id/9b
/usr/lib/.build-id/9b/e202349db608eee1861970fd37adf7fc43af04
/usr/lib/.build-id/a6
/usr/lib/.build-id/a6/3b02fb24806dabf8d7a1c26f638c89914d913e
/usr/lib/.build-id/c2
/usr/lib/.build-id/c2/a3354be4b8c40aa64fa06df1d146c8e714ee80
/usr/lib/.build-id/cb
/usr/lib/.build-id/cb/ed9df900a56ebd6b5144e1ce0962676b0d3dcf
There is 9 files more in these RPM.