Package: src:llvm-toolchain-12 Version: 1:12.0.0~++rc2-1~exp1 Severity: important Tags: patch llvm 12 ftbfs on riscv64, making use of __builtin_thread_pointer bootstrap it with GCC 11. patch at http://launchpadlibrarian.net/525801041/llvm-toolchain-12_1%3A12.0.0~++rc2-1~exp1_1%3A12.0.0~++rc2-1~exp1ubuntu1.diff.gz