bug symfony#59888 [PhpUnitBridge] don't trigger "internal" deprecations for PHPUnit Stub objects (xabbuh)

This PR was merged into the 6.4 branch.

Discussion
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[PhpUnitBridge] don't trigger "internal" deprecations for PHPUnit Stub objects

| Q             | A
| ------------- | ---
| Branch?       | 6.4
| Bug fix?      | yes
| New feature?  | no
| Deprecations? | no
| Issues        | Fix symfony#59882
| License       | MIT

Commits
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278c808 don't trigger "internal" deprecations for PHPUnit Stub objects

Author: fabpot

src/Symfony/Component/ErrorHandler/DebugClassLoader.php

@@ -18,6 +18,7 @@
 use Phake\IMock;
 use PHPUnit\Framework\MockObject\Matcher\StatelessInvocation;
 use PHPUnit\Framework\MockObject\MockObject;
+use PHPUnit\Framework\MockObject\Stub;
 use Prophecy\Prophecy\ProphecySubjectInterface;
 use ProxyManager\Proxy\ProxyInterface;
 use Symfony\Component\DependencyInjection\Argument\LazyClosure;
@@ -253,6 +254,7 @@ public static function checkClasses(): bool
 
             for (; $i < \count($symbols); ++$i) {
                 if (!is_subclass_of($symbols[$i], MockObject::class)
+                    && !is_subclass_of($symbols[$i], Stub::class)
                     && !is_subclass_of($symbols[$i], ProphecySubjectInterface::class)
                     && !is_subclass_of($symbols[$i], Proxy::class)
                     && !is_subclass_of($symbols[$i], ProxyInterface::class)