Revert "Workflow adjustments"

.github/workflows/test-build.yml

@@ -1,14 +1,6 @@
 name: Build and run tests
 
-on:
-  # always test main
-  push:
-    branches:
-      - main
-  # test PRs
-  pull_request:
-  # allow triggering tests, ignores skip check
-  workflow_dispatch:
+on: [push, pull_request]
 
 jobs:
   pre_job:
@@ -19,12 +11,11 @@ jobs:
       - id: skip_check
         uses: fkirc/skip-duplicate-actions@v5
         with:
-          # don't run on documentation changes
           paths_ignore: '["**/README.md", "docs/**", "guidelines/**"]'
           # cancel previous builds if a new commit is pushed
-          # but never cancel main
-          cancel_others: ${{ github.ref != 'refs/heads/main' }}
-
+          cancel_others: 'true'
+          # only run on push *or* pull_request, not both
+          concurrent_skipping: 'same_content_newer'
   pre_docs_job:
     runs-on: ubuntu-latest
     outputs:
@@ -33,16 +24,15 @@ jobs:
       - id: skip_check
         uses: fkirc/skip-duplicate-actions@v5
         with:
-          # don't run on readme changes
           paths_ignore: '["**/README.md"]'
           # cancel previous builds if a new commit is pushed
-          # but never cancel main
-          cancel_others: ${{ github.ref != 'refs/heads/main' }}
+          cancel_others: 'true'
+          # only run on push *or* pull_request, not both
+          concurrent_skipping: 'same_content_newer'
 
   build-yosys:
     name: Reusable build
     runs-on: ${{ matrix.os }}
-    # pre_job is a subset of pre_docs_job, so we can always build for pre_docs_job
     needs: pre_docs_job
     if: needs.pre_docs_job.outputs.should_skip != 'true'
     env:
@@ -50,6 +40,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, macos-latest]
+        sanitizer: [undefined, address]
       fail-fast: false
     steps:
       - name: Checkout Yosys
@@ -67,6 +58,7 @@ jobs:
           mkdir build
           cd build
           make -f ../Makefile config-$CC
+          echo 'SANITIZER = ${{ matrix.sanitizer }}' >> Makefile.conf
           make -f ../Makefile -j$procs ENABLE_LTO=1
 
       - name: Log yosys-config output
@@ -82,7 +74,7 @@ jobs:
       - name: Store build artifact
         uses: actions/upload-artifact@v4
         with:
-          name: build-${{ matrix.os }}
+          name: build-${{ matrix.os }}-${{ matrix.sanitizer }}
           path: build.tar
           retention-days: 1
 
@@ -93,9 +85,12 @@ jobs:
     if: needs.pre_job.outputs.should_skip != 'true'
     env:
       CC: clang
+      ASAN_OPTIONS: halt_on_error=1
+      UBSAN_OPTIONS: halt_on_error=1
     strategy:
       matrix:
         os: [ubuntu-latest, macos-latest]
+        sanitizer: [undefined, address]
       fail-fast: false
     steps:
       - name: Checkout Yosys
@@ -144,7 +139,7 @@ jobs:
       - name: Download build artifact
         uses: actions/download-artifact@v4
         with:
-          name: build-${{ matrix.os }}
+          name: build-${{ matrix.os }}-${{ matrix.sanitizer }}
 
       - name: Uncompress build
         shell: bash
@@ -214,6 +209,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest]
+        sanitizer: [undefined, address]
       fail-fast: false
     steps:
       - name: Checkout Yosys
@@ -227,7 +223,7 @@ jobs:
       - name: Download build artifact
         uses: actions/download-artifact@v4
         with:
-          name: build-${{ matrix.os }}
+          name: build-${{ matrix.os }}-${{ matrix.sanitizer }}
 
       - name: Uncompress build
         shell: bash