bug #32516 [FrameworkBundle][Config] Ignore exceptions thrown during reflection classes autoload (fancyweb)
bug #32516 [FrameworkBundle][Config] Ignore exceptions thrown during reflection classes autoload (fancyweb)

This PR was merged into the 3.4 branch.

Discussion
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[FrameworkBundle][Config] Ignore exceptions thrown during reflection classes autoload

| Q             | A
| ------------- | ---
| Branch?       | 3.4
| Bug fix?      | yes
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | https://github.com/symfony/symfony/issues/32499 with PHP 7.3+
| License       | MIT
| Doc PR        | -

The behavior when an exception is thrown in a class loader changed in PHP 7.3 (cf https://3v4l.org/OQPk9). That means that the `throwOnRequiredClass` trick that is done in the parent class of these cache warmers (`AbstractPhpFileCacheWarmer`) does not work anymore with PHP7.3+.

Commits
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dbd9b75d86 [FrameworkBundle][Config] Ignore exeptions thrown during reflection classes autoload

symfony/Config