github/workflows: Run the address sanitizer (ASan) build during CI.

Signed-off-by: Jeff Epler <jepler@gmail.com>

.github/workflows/ports_unix.yml

@@ -263,6 +263,26 @@ jobs:
       if: failure()
       run: tests/run-tests.py --print-failures
 
+  sanitize_address:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+    - name: Install packages
+      run: source tools/ci.sh && ci_unix_coverage_setup
+    - name: Build
+      run: source tools/ci.sh && ci_unix_sanitize_address_build
+    - name: Run main test suite
+      run: source tools/ci.sh && ci_unix_sanitize_address_run_tests
+    - name: Test merging .mpy files
+      run: source tools/ci.sh && ci_unix_coverage_run_mpy_merge_tests
+    - name: Build native mpy modules
+      run: source tools/ci.sh && ci_native_mpy_modules_build
+    - name: Test importing .mpy generated by mpy_ld.py
+      run: source tools/ci.sh && ci_unix_coverage_run_native_mpy_tests
+    - name: Print failures
+      if: failure()
+      run: tests/run-tests.py --print-failures
+
   sanitize_undefined:
     runs-on: ubuntu-latest
     steps: