Tags give the ability to mark specific points in history as being important
llvm-toolchain-8 Debian release 1:8.0.1-7
llvm-toolchain-9 Debian release 1:9.0.1-8
llvm-toolchain-9 Debian release 1:9.0.1-7
llvm-toolchain-8 Debian release 1:8.0.1-6
llvm-toolchain-8 Debian release 1:8.0.1-5