From ae8757184b8bbe23e0ba2e5d63fc5cad53f7f789 Mon Sep 17 00:00:00 2001 From: Sam Gross Date: Tue, 14 Apr 2026 15:50:34 -0400 Subject: [PATCH] gh-121946: Use clang-20 for TSan build --- .github/workflows/reusable-san.yml | 12 +++++------- 1 file changed, 5 insertions(+), 7 deletions(-) diff --git a/.github/workflows/reusable-san.yml b/.github/workflows/reusable-san.yml index 9d4f412cfcf6f7..33f6f0ef455fe0 100644 --- a/.github/workflows/reusable-san.yml +++ b/.github/workflows/reusable-san.yml @@ -40,17 +40,15 @@ jobs: # Install clang wget https://apt.llvm.org/llvm.sh chmod +x llvm.sh + sudo ./llvm.sh 20 + sudo update-alternatives --install /usr/bin/clang clang /usr/bin/clang-20 100 + sudo update-alternatives --set clang /usr/bin/clang-20 + sudo update-alternatives --install /usr/bin/clang++ clang++ /usr/bin/clang++-20 100 + sudo update-alternatives --set clang++ /usr/bin/clang++-20 if [ "${SANITIZER}" = "TSan" ]; then - sudo ./llvm.sh 17 # gh-121946: llvm-18 package is temporarily broken - sudo update-alternatives --install /usr/bin/clang clang /usr/bin/clang-17 100 - sudo update-alternatives --set clang /usr/bin/clang-17 - sudo update-alternatives --install /usr/bin/clang++ clang++ /usr/bin/clang++-17 100 - sudo update-alternatives --set clang++ /usr/bin/clang++-17 # Reduce ASLR to avoid TSan crashing sudo sysctl -w vm.mmap_rnd_bits=28 - else - sudo ./llvm.sh 20 fi - name: Sanitizer option setup