[workflows] Add workaround for lld failures on MacOS

See llvm/llvm-project#81967.

Adapted from upstream commit 175b533.

Author: bryanpkc

.github/workflows/llvm-project-tests.yml

@@ -141,7 +141,7 @@ jobs:
           # This should be a no-op for non-mac OSes
           PKG_CONFIG_PATH: /usr/local/Homebrew/Library/Homebrew/os/mac/pkgconfig//12
         run: |
-          ./build-llvm-project.sh -t X86 -e "clang" -p /usr/local -s -n $(sysctl -n hw.logicalcpu) -i -x "-DLLVM_ENABLE_ASSERTIONS=ON" -v
+          ./build-llvm-project.sh -t X86 -e "clang" -p /usr/local -s -n $(sysctl -n hw.logicalcpu) -i -x "-DLLVM_ENABLE_ASSERTIONS=ON -DLLVM_DISABLE_ASSEMBLY_FILES=ON" -v
           cd build
           make check-all
       - name: Test clang ubuntu