workflows: Use uncompressed abi dumps

The compressed dumps are no longer readable, but I'm not sure why.

Author: tstellar

.github/workflows/libclang-abi-tests.yml

@@ -113,13 +113,12 @@ jobs:
         for lib in ${{ needs.abi-dump-setup.outputs.ABI_LIBS }}; do
           # Remove symbol versioning from dumps, so we can compare across major versions.
           sed -i 's/LLVM_${{ matrix.llvm_version_major }}/LLVM_NOVERSION/' $lib-${{ matrix.ref }}.abi
-          tar -czf $lib-${{ matrix.ref }}.abi.tar.gz $lib-${{ matrix.ref }}.abi
         done
     - name: Upload ABI file
       uses: actions/upload-artifact@v2
       with:
         name: ${{ matrix.name }}
-        path: "*${{ matrix.ref }}.abi.tar.gz"
+        path: "*${{ matrix.ref }}.abi"
 
   abi-compare:
     runs-on: ubuntu-latest
@@ -141,7 +140,7 @@ jobs:
       - name: Compare ABI
         run: |
           for lib in ${{ needs.abi-dump-setup.outputs.ABI_LIBS }}; do
-            abi-compliance-checker -lib $lib -old build-baseline/$lib*.abi.tar.gz -new build-latest/$lib*.abi.tar.gz
+            abi-compliance-checker -lib $lib -old build-baseline/$lib*.abi -new build-latest/$lib*.abi
           done
       - name: Upload ABI Comparison
         if: always()

.github/workflows/llvm-tests.yml

@@ -126,12 +126,11 @@ jobs:
         abi-dumper $EXTRA_ARGS -lver ${{ matrix.ref }} -skip-cxx -public-headers ./install/include/${{ needs.abi-dump-setup.outputs.ABI_HEADERS }} -o ${{ matrix.ref }}.abi ./install/lib/libLLVM.so
         # Remove symbol versioning from dumps, so we can compare across major versions.
         sed -i 's/LLVM_${{ matrix.llvm_version_major }}/LLVM_NOVERSION/' ${{ matrix.ref }}.abi
-        tar -czf ${{ matrix.ref }}.abi.tar.gz ${{ matrix.ref }}.abi
     - name: Upload ABI file
       uses: actions/upload-artifact@v1
       with:
         name: ${{ matrix.name }}
-        path: ${{ matrix.ref }}.abi.tar.gz
+        path: ${{ matrix.ref }}.abi
 
     - name: Upload symbol list file
       if: matrix.name == 'build-baseline'
@@ -167,7 +166,10 @@ jobs:
             # This option doesn't seem to work with the ABI dumper, so passing it here.
             export EXTRA_ARGS="-symbols-list symbol-list/llvm.symbols"
           fi
-          abi-compliance-checker $EXTRA_ARGS -l libLLVM.so -old build-baseline/*.tar.gz -new build-latest/*.tar.gz || test "${{ needs.abi-dump-setup.outputs.ABI_HEADERS }}" = "llvm-c"
+          # FIXME: Reading of gzip'd abi files on the GitHub runners stop
+          # working some time in March of 2021, likely due to a change in the
+          # runner's environment.
+          abi-compliance-checker $EXTRA_ARGS -l libLLVM.so -old build-baseline/*.abi -new build-latest/*.abi || test "${{ needs.abi-dump-setup.outputs.ABI_HEADERS }}" = "llvm-c"
       - name: Upload ABI Comparison
         if: always()
         uses: actions/upload-artifact@v1