Merge branch 'PHP-7.4' into PHP-8.0

* PHP-7.4:
  Add integration test for symfony preloading

diff --cc azure/community_job.yml
index 164a865528654d5c558af882ff38fe9e58bd6b46,dc30b30743d2a8504c2d480adec56ee3eaa7e879..d688754bcac1cc249509ef07b1debaa24a3b6ba2
--- 1/azure/community_job.yml
--- 2/azure/community_job.yml
+++ b/azure/community_job.yml
@@@ -91,15 -82,11 +91,22 @@@ jobs
        displayName: 'Test Amphp'
        condition: or(succeeded(), failed())
      - script: |
 +        git clone https://github.com/sebastianbergmann/phpunit.git --branch=master --depth=1
 +        cd phpunit
 +        export USE_ZEND_ALLOC=0
 +        export USE_TRACKED_ALLOC=1
 +        export ASAN_OPTIONS=exitcode=139
 +        php7.3 /usr/bin/composer install --no-progress
 +        php ./phpunit
 +        if [ $? -gt 128 ]; then
 +          exit 1
 +        fi
 +      displayName: 'Test PHPUnit'
+         php7.3 /usr/bin/composer create-project symfony/symfony-demo symfony_demo --no-progress
+         cd symfony_demo
+         export USE_ZEND_ALLOC=0
+         export USE_TRACKED_ALLOC=1
+         sed -i 's/PHP_SAPI/"cli-server"/g' var/cache/dev/App_KernelDevDebugContainer.preload.php
+         php -d opcache.preload=var/cache/dev/App_KernelDevDebugContainer.preload.php public/index.php
+       displayName: 'Symfony Preloading'
        condition: or(succeeded(), failed())