symfony
diff --git a/‎src/Symfony/Component/DependencyInjection/Compiler/CheckTypeHintsPass.php
Copy file name to clipboardExpand all lines: src/Symfony/Component/DependencyInjection/Compiler/CheckTypeHintsPass.php
+5Lines changed: 5 additions & 0 deletions b/‎src/Symfony/Component/DependencyInjection/Compiler/CheckTypeHintsPass.php
Copy file name to clipboardExpand all lines: src/Symfony/Component/DependencyInjection/Compiler/CheckTypeHintsPass.php
+5Lines changed: 5 additions & 0 deletions
diff --git a/‎src/Symfony/Component/DependencyInjection/Tests/Compiler/CheckTypeHintsPassTest.php
Copy file name to clipboardExpand all lines: src/Symfony/Component/DependencyInjection/Tests/Compiler/CheckTypeHintsPassTest.php
+15Lines changed: 15 additions & 0 deletions b/‎src/Symfony/Component/DependencyInjection/Tests/Compiler/CheckTypeHintsPassTest.php
Copy file name to clipboardExpand all lines: src/Symfony/Component/DependencyInjection/Tests/Compiler/CheckTypeHintsPassTest.php
+15Lines changed: 15 additions & 0 deletions
diff --git a/‎src/Symfony/Component/DependencyInjection/Tests/Fixtures/CheckTypeHintsPass/BarMethodCall.php
Copy file name to clipboardExpand all lines: src/Symfony/Component/DependencyInjection/Tests/Fixtures/CheckTypeHintsPass/BarMethodCall.php
+4Lines changed: 4 additions & 0 deletions b/‎src/Symfony/Component/DependencyInjection/Tests/Fixtures/CheckTypeHintsPass/BarMethodCall.php
Copy file name to clipboardExpand all lines: src/Symfony/Component/DependencyInjection/Tests/Fixtures/CheckTypeHintsPass/BarMethodCall.php
+4Lines changed: 4 additions & 0 deletions
@@ -15,6 +15,7 @@
 use Symfony\Component\DependencyInjection\Reference;
 use Symfony\Component\DependencyInjection\Exception\InvalidArgumentException;
 use Symfony\Component\DependencyInjection\Exception\InvalidParameterTypeHintException;
+use Symfony\Component\DependencyInjection\Argument\IteratorArgument;
 
 /**
  * Checks whether injected parameters types are compatible with type hints.
@@ -137,6 +138,10 @@ private function checkTypeHint($configurationArgument, \ReflectionParameter $par
                 return;
             }
 
+            if ($parameter->getType()->getName() === 'iterable' && $configurationArgument instanceof IteratorArgument) {
+                return;
+            }
+
             $checkFunction = 'is_'.$parameter->getType()->getName();
 
             if (!$parameter->getType()->isBuiltin() || !$checkFunction($configurationArgument)) {
 
@@ -14,6 +14,7 @@
 use PHPUnit\Framework\TestCase;
 use Symfony\Component\DependencyInjection\ContainerBuilder;
 use Symfony\Component\DependencyInjection\Reference;
+use Symfony\Component\DependencyInjection\Argument\IteratorArgument;
 use Symfony\Component\DependencyInjection\Compiler\CheckTypeHintsPass;
 use Symfony\Component\DependencyInjection\Tests\Fixtures\CheckTypeHintsPass\Bar;
 use Symfony\Component\DependencyInjection\Tests\Fixtures\CheckTypeHintsPass\BarOptionalArgument;
@@ -399,6 +400,20 @@ public function testProcessSuccessWhenPassingIntegerToArrayTypeHintedParameter()
         $this->addToAssertionCount(1);
     }
 
+    public function testProcessSuccessWhenPassingAnIteratorArgumentToIterable()
+    {
+        $container = new ContainerBuilder();
+
+        $container->register('bar', BarMethodCall::class)
+            ->addMethodCall('setIterable', array(
+                new IteratorArgument(array()),
+            ));
+
+        (new CheckTypeHintsPass(true))->process($container);
+
+        $this->addToAssertionCount(1);
+    }
+
     public function testProcessFactory()
     {
         $container = new ContainerBuilder();
 
@@ -28,4 +28,8 @@ public function setScalars(int $int, string $string, bool $bool = false)
     public function setArray(array $array)
     {
     }
+
+    public function setIterable(iterable $iterable)
+    {
+    }
 }
Original file line number	Diff line number	Diff line change
`@@ -28,4 +28,8 @@ public function setScalars(int $int, string $string, bool $bool = false)`
`28`	`28`	`public function setArray(array $array)`
`29`	`29`	`{`
`30`	`30`	`}`
	`31`	`+`
	`32`	`+ public function setIterable(iterable $iterable)`
	`33`	`+ {`
	`34`	`+ }`
`31`	`35`	`}`