Unpacking libpolly-20-dev:amd64 (1:20~++20240922083525+e4e3ff5adc8b-1~exp1~20240922083716.429) over (1:20~++
20240921081646+8527861179ac-1~exp1~20240921081835.427) ...
Errors were encountered while processing:
/tmp/apt-dpkg-install-4qNIt3/09-llvm-20-dev_1%3a20~++20240922083525+e4e3ff5adc8b-1~exp1~20240922083716.429_
amd64.deb
E: Sub-process /usr/bin/dpkg returned an error code (1)
zzzz@zzzz:~$ sudo apt upgrade
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
You might want to run 'apt --fix-broken install' to correct these.
The following packages have unmet dependencies:
llvm-20-dev : Depends: libllvm20 (= 1:20~++20240921081646+8527861179ac-1~exp1~20240921081835.427) but 1:20~++20240922083525+e4e3ff5adc8b-1~exp1~20240922083716.429 is installed
Depends: llvm-20 (= 1:20~++20240921081646+8527861179ac-1~exp1~20240921081835.427) but 1:20~++20240922083525+e4e3ff5adc8b-1~exp1~20240922083716.429 is installed
Depends: llvm-20-tools (= 1:20~++20240921081646+8527861179ac-1~exp1~20240921081835.427) but 1:20~++20240922083525+e4e3ff5adc8b-1~exp1~20240922083716.429 is installed
Depends: libclang-cpp20 (= 1:20~++20240921081646+8527861179ac-1~exp1~20240921081835.427) but 1:20~++20240922083525+e4e3ff5adc8b-1~exp1~20240922083716.429 is installed
E: Unmet dependencies. Try 'apt --fix-broken install' with no packages (or specify a solution).
LLVM20 installed by
./llvm.sh 20
A previous issue preventing Clang 20 from working: https://github.com/llvm/llvm-project/issues/109153