symfony
diff --git a/‎src/Symfony/Component/DependencyInjection/Compiler/CheckTypeDeclarationsPass.php
Lines changed: 4 additions & 0 deletions b/‎src/Symfony/Component/DependencyInjection/Compiler/CheckTypeDeclarationsPass.php
Lines changed: 4 additions & 0 deletions
diff --git a/‎src/Symfony/Component/DependencyInjection/Tests/Compiler/CheckTypeDeclarationsPassTest.php
Lines changed: 21 additions & 0 deletions b/‎src/Symfony/Component/DependencyInjection/Tests/Compiler/CheckTypeDeclarationsPassTest.php
Lines changed: 21 additions & 0 deletions
diff --git a/‎src/Symfony/Component/DependencyInjection/Tests/Fixtures/CheckTypeDeclarationsPass/UnionConstructorPHP82.php
Lines changed: 16 additions & 0 deletions b/‎src/Symfony/Component/DependencyInjection/Tests/Fixtures/CheckTypeDeclarationsPass/UnionConstructorPHP82.php
Lines changed: 16 additions & 0 deletions
@@ -308,6 +308,10 @@ private function checkType(Definition $checkedDefinition, $value, \ReflectionPar
             if (false === $value) {
                 return;
             }
+        } elseif ('true' === $type) {
+            if (true === $value) {
+                return;
+            }
         } elseif ($reflectionType->isBuiltin()) {
             $checkFunction = sprintf('is_%s', $type);
             if ($checkFunction($value)) {
 
@@ -32,6 +32,7 @@
 use Symfony\Component\DependencyInjection\Tests\Fixtures\CheckTypeDeclarationsPass\FooObject;
 use Symfony\Component\DependencyInjection\Tests\Fixtures\CheckTypeDeclarationsPass\IntersectionConstructor;
 use Symfony\Component\DependencyInjection\Tests\Fixtures\CheckTypeDeclarationsPass\UnionConstructor;
+use Symfony\Component\DependencyInjection\Tests\Fixtures\CheckTypeDeclarationsPass\UnionConstructorPHP82;
 use Symfony\Component\DependencyInjection\Tests\Fixtures\CheckTypeDeclarationsPass\Waldo;
 use Symfony\Component\DependencyInjection\Tests\Fixtures\CheckTypeDeclarationsPass\WaldoFoo;
 use Symfony\Component\DependencyInjection\Tests\Fixtures\CheckTypeDeclarationsPass\Wobble;
@@ -868,6 +869,26 @@ public function testUnionTypePassesWithFalse()
         $this->addToAssertionCount(1);
     }
 
+    /**
+     * @requires PHP 8.2
+     */
+    public function testUnionTypePassesWithTrue()
+    {
+        $container = new ContainerBuilder();
+
+        $container->register('unionTrue', UnionConstructorPHP82::class)
+            ->setFactory([UnionConstructorPHP82::class, 'createTrue'])
+            ->setArguments([true]);
+
+        $container->register('unionNull', UnionConstructorPHP82::class)
+            ->setFactory([UnionConstructorPHP82::class, 'createNull'])
+            ->setArguments([null]);
+
+        (new CheckTypeDeclarationsPass(true))->process($container);
+
+        $this->addToAssertionCount(1);
+    }
+
     /**
      * @requires PHP 8
      */
 
@@ -0,0 +1,16 @@
+<?php
+
+namespace Symfony\Component\DependencyInjection\Tests\Fixtures\CheckTypeDeclarationsPass;
+
+class UnionConstructorPHP82
+{
+    public static function createTrue(array|true $arg): static
+    {
+        return new static(0);
+    }
+
+    public static function createNull(null $arg): static
+    {
+        return new static(0);
+    }
+}