[port AArch64 Linux test exclusions from Cirrus CI]

.github/actions/4b-test-lit/action.yml

@@ -1,16 +1,27 @@
 name: Run LIT testsuite
 inputs:
   arch:
-    required: false # Windows only
+    required: true
 runs:
   using: composite
   steps:
 
     - name: 'Posix: Run LIT testsuite'
       if: runner.os != 'Windows'
       shell: bash
-      # temporarily add LLVM bin dir to PATH, so that e.g. wasm-ld is found
-      run: cd ../build && PATH="$PWD/../llvm/bin:$PATH" ctest -V -R "lit-tests"
+      run: |
+        set -eux
+
+        if [[ '${{ runner.os }}-${{ inputs.arch }}' == Linux-aarch64 ]]; then
+          # FIXME: the following tests fail
+          rm tests/debuginfo/nested_gdb.d
+          rm tests/debuginfo/print_gdb.d # works for Cirrus CI though
+          rm tests/sanitizers/fuzz_basic.d
+        fi
+
+        cd ../build
+        # temporarily add LLVM bin dir to PATH, so that e.g. wasm-ld is found
+        PATH="$PWD/../llvm/bin:$PATH" ctest -V -R "lit-tests"
 
     - name: 'Windows: Run LIT testsuite'
       if: runner.os == 'Windows'

.github/actions/4d-test-libs/action.yml

@@ -1,7 +1,7 @@
 name: Run defaultlib unittests & druntime integration tests
 inputs:
   arch:
-    required: false # Windows only
+    required: true
 runs:
   using: composite
   steps:
@@ -17,7 +17,18 @@ runs:
         else
           N=$(nproc)
         fi
-        ctest -j$N --output-on-failure -E "dmd-testsuite|lit-tests|ldc2-unittest"
+
+        excludes="dmd-testsuite|lit-tests|ldc2-unittest"
+        if [[ '${{ runner.os }}-${{ inputs.arch }}' == Linux-aarch64 ]]; then
+          # FIXME: failing unittest(s)
+          excludes+='|^std.internal.math.gammafunction'
+          # FIXME: failing unittest(s) with enabled optimizations
+          excludes+='|^std.math.exponential(-shared)?$'
+          # FIXME: subtest rt_trap_exceptions fails
+          excludes+='|^druntime-test-exceptions-debug$'
+        fi
+
+        ctest -j$N --output-on-failure -E "$excludes"
 
     - name: 'Windows: Run defaultlib unittests & druntime integration tests'
       if: runner.os == 'Windows'