CI for building the fuzzers

.github/workflows/build-fuzzer.yml

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+# Copyright (C) 2020  Matthew Glazar
+# See end of file for extended copyright information.
+
+name: build the fuzzers
+on:
+  push:
+  pull_request:
+    types: [opened, synchronize]
+
+jobs:
+  build:
+    name: ${{ matrix.toolchain.name }}
+    strategy:
+      fail-fast: false
+      matrix:
+        toolchain:
+          - { runs_on: ubuntu-latest, name: "Clang 13 libc++", container: "ghcr.io/quick-lint/quick-lint-js-github-clang:v1", CC: clang-13, CXX: clang++-13, CFLAGS: "-stdlib=libc++", CMAKE_BUILD_TYPE: "Debug", }
+          - { runs_on: ubuntu-latest, name: "Clang 13 libstdc++", container: "ghcr.io/quick-lint/quick-lint-js-github-clang:v1", CC: clang-13, CXX: clang++-13, CFLAGS: "-stdlib=libstdc++", CMAKE_BUILD_TYPE: "Debug", }
+          - { runs_on: ubuntu-latest, name: "Clang 13 Release libc++", container: "ghcr.io/quick-lint/quick-lint-js-github-clang:v1", CC: clang-13, CXX: clang++-13, CFLAGS: "-stdlib=libc++", CMAKE_BUILD_TYPE: "Release", }
+          - { runs_on: ubuntu-latest, name: "Clang 13 Release libstdc++", container: "ghcr.io/quick-lint/quick-lint-js-github-clang:v1", CC: clang-13, CXX: clang++-13, CFLAGS: "-stdlib=libstdc++", CMAKE_BUILD_TYPE: "Release", }
+    runs-on: ${{ matrix.toolchain.runs_on }}
+    container: ${{ matrix.toolchain.container }}
+    env:
+      CMAKE_BUILD_TYPE: ${{ matrix.toolchain.CMAKE_BUILD_TYPE }}
+      CMAKE_C_COMPILER: ${{ matrix.toolchain.CC }}
+      CMAKE_C_FLAGS: ${{ matrix.toolchain.CFLAGS }}
+      CMAKE_CXX_COMPILER: ${{ matrix.toolchain.CXX }}
+      CMAKE_CXX_FLAGS: ${{ matrix.toolchain.CFLAGS }}
+
+    steps:
+      - name: checkout
+        uses: actions/checkout@8e5e7e5ab8b370d6c329ec480221332ada57f0ab # v3.5.2
+
+      - name: install dependencies (Homebrew)
+        if: ${{ matrix.toolchain.homebrew_packages }}
+        run: brew install ${{ matrix.toolchain.homebrew_packages }}
+
+      - name: configure
+        run: |
+          env | grep '^ASAN_OPTIONS\|^CMAKE\|^QUICK_LINT_JS' | sort
+          mkdir build
+          cd build
+          CC=$CMAKE_C_COMPILER CXX=$CMAKE_CXX_COMPILER CFLAGS='-fsanitize=address,undefined,fuzzer-no-link $CMAKE_C_FLAGS' CXXFLAGS='-fsanitize=address,undefined,fuzzer-no-link $CMAKE_CXX_FLAGS' cmake -G Ninja -DCMAKE_BUILD_TYPE=$CMAKE_BUILD_TYPE -DQUICK_LINT_JS_ENABLE_LLVM_LIBFUZZER_TESTS=ON ..
+          cd ..
+        shell: bash
+
+      - name: build
+        run: ninja -C build
+
+      - name: sample run
+        run: |
+          mkdir fuzz-tmp
+          ls build/fuzz/
+          # try running every fuzzer for a very short time
+          for FILE in build/fuzz/quick-lint-js-fuzz-*; do echo running: $FILE; $FILE fuzz-tmp -runs=100 || exit 1; done
+
+# quick-lint-js finds bugs in JavaScript programs.
+# Copyright (C) 2020  Matthew Glazar
+#
+# This file is part of quick-lint-js.
+#
+# quick-lint-js is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# quick-lint-js is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with quick-lint-js.  If not, see <https://www.gnu.org/licenses/>.