[llvm] [libcxx] TESTING DO NOT SUBMIT (PR #226750)

[Aiden Grossman via llvm-commits]

https://github.com/boomanaiden154 created https://github.com/llvm/llvm-project/pull/226750

None

>From ab9e56239fecade0639f6c267f8dbaaba216926d Mon Sep 17 00:00:00 2001
From: Aiden Grossman <aidengrossman at google.com>
Date: Sun, 27 Sep 2026 03:46:17 +0000
Subject: [PATCH] [libcxx] TESTING DO NOT SUBMIT

---
 .github/workflows/libcxx-pr-test-tools.yml | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/.github/workflows/libcxx-pr-test-tools.yml b/.github/workflows/libcxx-pr-test-tools.yml
index 64bbc705e5e09..2a477eec4b326 100644
--- a/.github/workflows/libcxx-pr-test-tools.yml
+++ b/.github/workflows/libcxx-pr-test-tools.yml
@@ -31,7 +31,9 @@ concurrency:
 jobs:
   test-tools:
     if: github.repository_owner == 'llvm'
-    runs-on: llvm-premerge-libcxx-runners
+    runs-on: llvm-premerge-linux-32-runners
+    container:
+      image: ghcr.io/llvm/libcxx-linux-builder:d79f222aea61926e7c81fa8908b12f52ea70111f
     env:
       CC: clang-23
       CXX: clang++-23
@@ -43,12 +45,14 @@ jobs:
           fetch-tags: true
 
       - name: Set up Python dependencies
+        shell: bash
         run: |
           python3 -m venv .venv
           source .venv/bin/activate
           pip install -r libcxx/utils/requirements.txt
 
       - name: Run the tooling smoke test
+        shell: bash
         run: |
           source .venv/bin/activate
           libcxx/utils/ci/run-buildbot test-tools