symfony
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diff --git a/‎UPGRADE-5.0.md
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diff --git a/‎src/Symfony/Component/Validator/CHANGELOG.md
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diff --git a/‎src/Symfony/Component/Validator/Constraints/BicValidator.php
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+6-5Lines changed: 6 additions & 5 deletions b/‎src/Symfony/Component/Validator/Constraints/BicValidator.php
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+6-5Lines changed: 6 additions & 5 deletions
@@ -206,3 +206,4 @@ Validator
  * The component is now decoupled from `symfony/translation` and uses `Symfony\Contracts\Translation\TranslatorInterface` instead
  * The `ValidatorBuilderInterface` has been deprecated and `ValidatorBuilder` made final
  * Deprecated validating instances of `\DateTimeInterface` in `DateTimeValidator`, `DateValidator` and `TimeValidator`. Use `Type` instead or remove the constraint if the underlying model is type hinted to `\DateTimeInterface` already.
+ * Using the `Bic` constraint without `symfony/intl` is deprecated
@@ -191,6 +191,7 @@ Validator
  * The component is now decoupled from `symfony/translation` and uses `Symfony\Contracts\Translation\TranslatorInterface` instead
  * The `ValidatorBuilderInterface` has been removed and `ValidatorBuilder` is now final
  * Removed support for validating instances of `\DateTimeInterface` in `DateTimeValidator`, `DateValidator` and `TimeValidator`. Use `Type` instead or remove the constraint if the underlying model is type hinted to `\DateTimeInterface` already.
+ * The `symfony/intl` component is now required for using the `Bic` constraint
 
 Workflow
 --------
 
@@ -10,6 +10,7 @@ CHANGELOG
  * made `ValidatorBuilder` final
  * marked `format` the default option in `DateTime` constraint
  * deprecated validating instances of `\DateTimeInterface` in `DateTimeValidator`, `DateValidator` and `TimeValidator`.
+ * deprecated using the `Bic` constraint without `symfony/intl`
 
 4.1.0
 -----
 
@@ -14,7 +14,6 @@
 use Symfony\Component\Intl\Intl;
 use Symfony\Component\Validator\Constraint;
 use Symfony\Component\Validator\ConstraintValidator;
-use Symfony\Component\Validator\Exception\LogicException;
 use Symfony\Component\Validator\Exception\UnexpectedTypeException;
 
 /**
@@ -69,13 +68,15 @@ public function validate($value, Constraint $constraint)
             return;
         }
 
+        // @deprecated since Symfony 4.2, will throw a LogicException in 5.0
         if (!class_exists(Intl::class)) {
-            throw new LogicException('The "symfony/intl" component is required to use the Bic constraint.');
+            @trigger_error('Using the Bic constraint without the "symfony/intl" component installed is deprecated since Symfony 4.2.', E_USER_DEPRECATED);
+            $invalidCountryCode = !ctype_alpha(substr($canonicalize, 4, 2));
+        } else {
+            $invalidCountryCode = !isset(Intl::getRegionBundle()->getCountryNames()[substr($canonicalize, 4, 2)]);
         }
 
-        // next 2 letters must be alphabetic (country code)
-        $countries = Intl::getRegionBundle()->getCountryNames();
-        if (!isset($countries[substr($canonicalize, 4, 2)])) {
+        if ($invalidCountryCode) {
             $this->context->buildViolation($constraint->message)
                 ->setParameter('{{ value }}', $this->formatValue($value))
                 ->setCode(Bic::INVALID_COUNTRY_CODE_ERROR)