Hi.

I fixed https://bugs.php.net/bug.php?id=72972
Merged against next releases for stable active branches.

This introduces 4 test fails in IpValidatorTest.
There were 4 failures:

1. Symfony\Component\Validator\Tests\Constraints\IpValidatorTest::testInvalidReservedIpsV4 with data set Untitled #1 ('224.0.0.1')
   1 violation(s) expected. Got 0.
   Failed asserting that 0 is identical to 1.

/home/jpauli/www/symfony/Symfony/src/Symfony/Component/Validator/Tests/Constraints/AbstractConstraintValidatorTest.php:314
/home/jpauli/www/symfony/Symfony/src/Symfony/Component/Validator/Tests/Constraints/IpValidatorTest.php:211

2. Symfony\Component\Validator\Tests\Constraints\IpValidatorTest::testInvalidPublicIpsV4 with data set Same change for mapping files #4 ('224.0.0.1')
   1 violation(s) expected. Got 0.
   Failed asserting that 0 is identical to 1.

/home/jpauli/www/symfony/Symfony/src/Symfony/Component/Validator/Tests/Constraints/AbstractConstraintValidatorTest.php:314
/home/jpauli/www/symfony/Symfony/src/Symfony/Component/Validator/Tests/Constraints/IpValidatorTest.php:238

3. Symfony\Component\Validator\Tests\Constraints\IpValidatorTest::testInvalidReservedIpsAll with data set Untitled #1 ('224.0.0.1')
   1 violation(s) expected. Got 0.
   Failed asserting that 0 is identical to 1.

/home/jpauli/www/symfony/Symfony/src/Symfony/Component/Validator/Tests/Constraints/AbstractConstraintValidatorTest.php:314
/home/jpauli/www/symfony/Symfony/src/Symfony/Component/Validator/Tests/Constraints/IpValidatorTest.php:420

4. Symfony\Component\Validator\Tests\Constraints\IpValidatorTest::testInvalidPublicIpsAll with data set Same change for mapping files #4 ('224.0.0.1')
   1 violation(s) expected. Got 0.
   Failed asserting that 0 is identical to 1.

/home/jpauli/www/symfony/Symfony/src/Symfony/Component/Validator/Tests/Constraints/AbstractConstraintValidatorTest.php:314
/home/jpauli/www/symfony/Symfony/src/Symfony/Component/Validator/Tests/Constraints/IpValidatorTest.php:443

Please, review php/php-src@5f5f62c for changes and https://tools.ietf.org/html/rfc6890 for why those changes.

Thx.