From b736052e39f1f466f63f261ace3dd2deba171e8a Mon Sep 17 00:00:00 2001
From: fanquake <fanquake@gmail.com>
Date: Wed, 10 Sep 2025 09:12:40 +0100
Subject: [PATCH] ci: always use tag for LLVM checkout

Rather than trying to match the apt installed clang version, which is
prone to intermittent issues. i.e #33345.
---
 ci/test/01_base_install.sh | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/ci/test/01_base_install.sh b/ci/test/01_base_install.sh
index b1a9d6257bd..6944ab42b06 100755
--- a/ci/test/01_base_install.sh
+++ b/ci/test/01_base_install.sh
@@ -56,10 +56,9 @@ if [ -n "$PIP_PACKAGES" ]; then
 fi
 
 if [[ -n "${USE_INSTRUMENTED_LIBCPP}" ]]; then
+  ${CI_RETRY_EXE} git clone --depth=1 https://github.com/llvm/llvm-project -b "llvmorg-21.1.1" /llvm-project
+
   if [ -n "${APT_LLVM_V}" ]; then
-    ${CI_RETRY_EXE} git clone --depth=1 https://github.com/llvm/llvm-project -b "llvmorg-$( clang --version | sed --silent 's@.*clang version \([0-9.]*\).*@\1@p' )" /llvm-project
-  else
-    ${CI_RETRY_EXE} git clone --depth=1 https://github.com/llvm/llvm-project -b "llvmorg-21.1.0" /llvm-project
 
     cmake -G Ninja -B /clang_build/ \
       -DLLVM_ENABLE_PROJECTS="clang" \