add sanitizer build to CI

Author: Mic92

.github/workflows/ci.yml

@@ -10,4 +10,4 @@ jobs:
     - uses: cachix/install-nix-action@v12
       with: 
         skip_adding_nixpkgs_channel: true
-    - run: nix-build -A hydraJobs.release
+    - run: nix-build -A hydraJobs.release -A hydraJobs.build-sanitized

flake.nix

@@ -58,6 +58,9 @@
           };
 
         build = forAllSystems (system: nixpkgsFor.${system}.patchelf-new);
+        build-sanitized = forAllSystems (system: nixpkgsFor.${system}.patchelf-new.overrideAttrs (old: {
+          configureFlags = [ "--with-asan " "--with-ubsan" ];
+        }));
 
         release = pkgs.releaseTools.aggregate
           { name = "patchelf-${self.hydraJobs.tarball.version}";