[workflow] Upgrade to clang 22

Signed-off-by: Shankar Easwaran <seaswara@qti.qualcomm.com>

Author: quic-seaswara

.github/workflows/nightly-test.yml

@@ -15,24 +15,27 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - name: Set up Clang 20
+      - name: Set up Clang 22
         uses: egor-tensin/setup-clang@v2
         with:
-          version: "20"
+          version: "22"
           platform: x64
 
       - name: Install libc++ and libc++abi
         run: |
           sudo apt update
-          sudo apt install -y clang libc++-dev libc++abi-dev ccache libclang-rt-20-dev
+          sudo apt install -y clang-22 lld-22 ninja-build libc++-22-dev libc++abi-22-dev ccache libclang-rt-22-dev libunwind-22-dev
+          echo "PATH=/usr/lib/llvm-22/bin:$PATH" >> $GITHUB_ENV
+          echo "LD_LIBRARY_PATH=/usr/lib/llvm-22/lib:$PATH" >> $GITHUB_ENV
 
       - name: Build and Test with Clang and show versions
         run: |
           echo "clang version"
           clang --version
           echo "clang++ version"
           clang++ -stdlib=libc++ --version
-          dpkg -L clang
+          echo "ld.lld version"
+          ld.lld --version
           echo '#include <iostream>' > test.cpp
           echo 'int main() { std::cout << "Hello, Clang on Ubuntu 24.04!" << std::endl; return 0; }' >> test.cpp
           clang++ -std=c++17 -stdlib=libc++ test.cpp -o test_clang

.github/workflows/sanitize.yml

@@ -15,18 +15,18 @@ jobs:
     if: github.repository == 'qualcomm/eld'
 
     steps:
-      - name: Set up Clang 21
+      - name: Set up Clang 22
         uses: egor-tensin/setup-clang@v2
         with:
-          version: "21"
+          version: "22"
           platform: x64
 
       - name: Install libc++ and libc++abi
         run: |
           sudo apt update
-          sudo apt install -y clang-21 lld-21 ninja-build libc++-21-dev libc++abi-21-dev ccache libclang-rt-21-dev libunwind-21-dev
-          echo "PATH=/usr/lib/llvm-21/bin:$PATH" >> $GITHUB_ENV
-          echo "LD_LIBRARY_PATH=/usr/lib/llvm-21/lib:$PATH" >> $GITHUB_ENV
+          sudo apt install -y clang-22 lld-22 ninja-build libc++-22-dev libc++abi-22-dev ccache libclang-rt-22-dev libunwind-22-dev
+          echo "PATH=/usr/lib/llvm-22/bin:$PATH" >> $GITHUB_ENV
+          echo "LD_LIBRARY_PATH=/usr/lib/llvm-22/lib:$PATH" >> $GITHUB_ENV
 
       - name: Build and Test with Clang and show versions
         run: |