Symfony: skip services not instantiated by the DIC#348
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Services tagged `container.error` / `container.excluded`, or marked `abstract="true"` / `synthetic="true"` in the dumped container XML are never constructed by the container at runtime (verified in vendor: ContainerBuilder::doGet throws before createService for errored and synthetic definitions; abstract ones cannot be instantiated directly; container.excluded implies abstract). Stop registering their constructors, calls, factories, and tags as DIC usage so such members can be reported as dead when nothing else uses them. Co-Authored-By: Claude Code
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Summary
container.errororcontainer.excluded, or markedabstract="true"/synthetic="true"in the dumped container XML are never constructed by the container. Skip them inSymfonyUsageProvider::fillDicClasses()so their constructors,<call>methods,<factory>methods, and tag memberships are not registered as DIC usage.vendor/symfony/dependency-injection:ContainerBuilder::doGet()throwsRuntimeExceptionbeforecreateService()whenhasErrors()is true (container.error) orisSynthetic()is true.FileLoader::addContainerExcludedTag()markscontainer.excludedservices abstract →findDefinition/autowiring excludes them;AutowirePass.php:493confirms.ResolveChildDefinitionsPasshas already resolved ChildDefinitions into concrete entries.deprecated(still instantiated, just emits notice),lazy(still instantiated via proxy),public="false"(private services still instantiated when referenced).Co-Authored-By: Claude Code