From: mpage <mpage@meta.com>
Date: Tue, 7 May 2024 09:04:01 +0000 (-0700)
Subject: gh-117657: Use clang 18 in TSAN builds (GH-118533)
X-Git-Tag: v3.13.0b1~30
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=3a6ff1b1d959549546f533b18ec71aa21516328d;p=thirdparty%2FPython%2Fcpython.git

gh-117657: Use clang 18 in TSAN builds (GH-118533)

Use clang 18 in TSAN builds

We were using clang 14 which is a couple of years old.
---

diff --git a/.github/workflows/reusable-tsan.yml b/.github/workflows/reusable-tsan.yml
index 8ddb3b3ada32..48bd5b547e8c 100644
--- a/.github/workflows/reusable-tsan.yml
+++ b/.github/workflows/reusable-tsan.yml
@@ -29,7 +29,14 @@ jobs:
     - name: Install Dependencies
       run: |
         sudo ./.github/workflows/posix-deps-apt.sh
-        sudo apt install -y clang
+        # Install clang-18
+        wget https://apt.llvm.org/llvm.sh
+        chmod +x llvm.sh
+        sudo ./llvm.sh 18
+        sudo update-alternatives --install /usr/bin/clang clang /usr/bin/clang-18 100
+        sudo update-alternatives --set clang /usr/bin/clang-18
+        sudo update-alternatives --install /usr/bin/clang++ clang++ /usr/bin/clang++-18 100
+        sudo update-alternatives --set clang++ /usr/bin/clang++-18
         # Reduce ASLR to avoid TSAN crashing
         sudo sysctl -w vm.mmap_rnd_bits=28
     - name: TSAN Option Setup