[DepdenencyInjection] Prevent self-referencing aliases
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@ -427,6 +427,10 @@ class ContainerBuilder extends Container implements TaggedContainerInterface
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throw new \InvalidArgumentException('$id must be a string, or an Alias object.');
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}
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if ($alias === strtolower($id)) {
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throw new \InvalidArgumentException('An alias can not reference itself, got a circular reference on "'.$alias.'".');
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}
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unset($this->definitions[$alias]);
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$this->aliases[$alias] = $id;
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