[llvm] ci debug (PR #128422)

[Schrodinger ZHU Yifan via llvm-commits]

https://github.com/SchrodingerZhu created https://github.com/llvm/llvm-project/pull/128422

None

>From 8527fe4db258d98d71ed617431f5d7a3c5f69ca3 Mon Sep 17 00:00:00 2001
From: Schrodinger ZHU Yifan <i at zhuyi.fan>
Date: Sun, 23 Feb 2025 23:26:01 +0800
Subject: [PATCH] ci debug

---
 .github/workflows/libc-fullbuild-tests.yml | 17 ++++++++++-------
 .github/workflows/libc-overlay-tests.yml   |  4 ++--
 2 files changed, 12 insertions(+), 9 deletions(-)

diff --git a/.github/workflows/libc-fullbuild-tests.yml b/.github/workflows/libc-fullbuild-tests.yml
index d93ac84116240..90dc41118a3dd 100644
--- a/.github/workflows/libc-fullbuild-tests.yml
+++ b/.github/workflows/libc-fullbuild-tests.yml
@@ -15,17 +15,17 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        build_type: [Debug, Release, MinSizeRel]
+        build_type: [Release]
         include:
-          - os: ubuntu-24.04
-            ccache-variant: sccache
-            c_compiler: clang
-            cpp_compiler: clang++
+          #- os: ubuntu-24.04
+          #  ccache-variant: sccache
+          #  c_compiler: clang
+          #  cpp_compiler: clang++
           # TODO: remove ccache logic when https://github.com/hendrikmuhs/ccache-action/issues/279 is resolved.
           - os: ubuntu-24.04-arm
             ccache-variant: ccache
-            c_compiler: clang
-            cpp_compiler: clang++
+            c_compiler: clang-18
+            cpp_compiler: clang++-18
           # TODO: add back gcc build when it is fixed
           # - c_compiler: gcc
           #   cpp_compiler: g++
@@ -54,6 +54,9 @@ jobs:
         sudo apt-get update
         sudo apt-get install -y libmpfr-dev libgmp-dev libmpc-dev ninja-build linux-libc-dev
         sudo ln -sf /usr/include/$(uname -p)-linux-gnu/asm /usr/include/asm
+        wget https://apt.llvm.org/llvm.sh
+        chmod +x llvm.sh
+        sudo ./llvm.sh 18
 
     - name: Set reusable strings
       id: strings
diff --git a/.github/workflows/libc-overlay-tests.yml b/.github/workflows/libc-overlay-tests.yml
index de4b58c008ee4..3146232cbf830 100644
--- a/.github/workflows/libc-overlay-tests.yml
+++ b/.github/workflows/libc-overlay-tests.yml
@@ -6,8 +6,8 @@ on:
   pull_request:
     branches: [ "main" ]
     paths:
-      - 'libc/**'
-      - '.github/workflows/libc-overlay-tests.yml'
+      - 'disable-libc/**'
+      - 'disable-.github/workflows/libc-overlay-tests.yml'
 
 jobs:
   build: