ci: add clang ASan job

Author: mizvekov

.github/workflows/ci.yml

@@ -42,7 +42,7 @@ jobs:
           latest-factors: |
             msvc Optimized-Debug
             gcc UBSan Coverage
-            clang UBSan
+            clang UBSan ASan
           factors: ''
           runs-on: |
             apple-clang: macos-15
@@ -75,6 +75,8 @@ jobs:
             llvm-root: ../third-party/llvm-project/install
             llvm-archive-extension: {{#if (ieq os 'windows') }}7z{{else}}tar.bz2{{/if}}
             llvm-archive-filename: {{{ llvm-archive-basename }}}.{{{ llvm-archive-extension }}}
+            # The LLVM_USE_SANITIZER option only supports Clang.
+            llvm-sanizizer-config: {{#if (ne compiler 'clang')}}{{else if ubsan}}Undefined{{else if asan}}Address{{/if}}
             mrdocs-ccflags: {{{ ccflags }}} {{#if (and (eq compiler 'gcc') (not asan)) }}-static{{/if}}
             mrdocs-cxxflags: {{{ cxxflags }}} {{#if (and (eq compiler 'gcc') (not asan)) }}-static{{/if}}
             mrdocs-package-generators: {{#if (ieq os 'windows') }}7Z ZIP WIX{{else}}TGZ TXZ{{/if}}
@@ -264,7 +266,7 @@ jobs:
             # The UBSan vptr sanitizer needs RTTI.
             ${{ matrix.ubsan && '-DLLVM_ENABLE_RTTI=ON' }}
             # The LLVM_USE_SANITIZER option doesn't support GCC.
-            ${{ !matrix.compiler == 'gcc' && matrix.ubsan && '-DLLVM_USE_SANITIZER=Undefined' }}
+            -DLLVM_USE_SANITIZER=${{ matrix.llvm-sanitizer-config }}
           cc: ${{ steps.setup-cpp.outputs.cc }}
           cxx: ${{ steps.setup-cpp.outputs.cxx }}
           generator: Ninja