Fix infinite recursion when passed an empty string
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@ -43,7 +43,7 @@ class AccessDecisionManager implements AccessDecisionManagerInterface
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public function __construct($voters = [], $strategy = self::STRATEGY_AFFIRMATIVE, $allowIfAllAbstainDecisions = false, $allowIfEqualGrantedDeniedDecisions = true)
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{
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$strategyMethod = 'decide'.ucfirst($strategy);
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if (!\is_callable([$this, $strategyMethod])) {
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if ('' === $strategy || !\is_callable([$this, $strategyMethod])) {
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throw new \InvalidArgumentException(sprintf('The strategy "%s" is not supported.', $strategy));
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}
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