AttributesCheck - do not report named arguments in attributes

src/Rules/AttributesCheck.php

@@ -93,11 +93,14 @@ public function check(
 
 				$attributeClassName = SprintfHelper::escapeFormatString($attributeClass->getDisplayName());
 
+				$nodeAttributes = $attribute->getAttributes();
+				$nodeAttributes['isAttribute'] = true;
+
 				$parameterErrors = $this->functionCallParametersCheck->check(
 					ParametersAcceptorSelector::selectSingle($attributeConstructor->getVariants()),
 					$scope,
 					$attributeConstructor->getDeclaringClass()->isBuiltin(),
-					new New_($attribute->name, $attribute->args, $attribute->getAttributes()),
+					new New_($attribute->name, $attribute->args, $nodeAttributes),
 					[
 						'Attribute class ' . $attributeClassName . ' constructor invoked with %d parameter, %d required.',
 						'Attribute class ' . $attributeClassName . ' constructor invoked with %d parameters, %d required.',

src/Rules/FunctionCallParametersCheck.php

@@ -169,7 +169,7 @@ public function check(
 			];
 		}
 
-		if ($hasNamedArguments && !$this->phpVersion->supportsNamedArguments()) {
+		if ($hasNamedArguments && !$this->phpVersion->supportsNamedArguments() && !$funcCall->getAttribute('isAttribute', false)) {
 			$errors[] = RuleErrorBuilder::message('Named arguments are supported only on PHP 8.0 and later.')->line($funcCall->getLine())->nonIgnorable()->build();
 		}
 

tests/PHPStan/Rules/Methods/MethodAttributesRuleTest.php

@@ -18,6 +18,9 @@
 class MethodAttributesRuleTest extends RuleTestCase
 {
 
+	/** @var int */
+	private $phpVersion;
+
 	protected function getRule(): Rule
 	{
 		$reflectionProvider = $this->createReflectionProvider();
@@ -27,7 +30,7 @@ protected function getRule(): Rule
 				new FunctionCallParametersCheck(
 					new RuleLevelHelper($reflectionProvider, true, false, true, false),
 					new NullsafeCheck(),
-					new PhpVersion(80000),
+					new PhpVersion($this->phpVersion),
 					new UnresolvableTypeHelper(),
 					true,
 					true,
@@ -45,6 +48,8 @@ public function testRule(): void
 			$this->markTestSkipped('Test requires PHP 8.0.');
 		}
 
+		$this->phpVersion = 80000;
+
 		$this->analyse([__DIR__ . '/data/method-attributes.php'], [
 			[
 				'Attribute class MethodAttributes\Foo does not have the method target.',
@@ -53,4 +58,14 @@ public function testRule(): void
 		]);
 	}
 
+	public function testBug5898(): void
+	{
+		if (!self::$useStaticReflectionProvider && PHP_VERSION_ID < 80000) {
+			$this->markTestSkipped('Test requires PHP 8.0.');
+		}
+
+		$this->phpVersion = 70400;
+		$this->analyse([__DIR__ . '/data/bug-5898.php'], []);
+	}
+
 }

tests/PHPStan/Rules/Methods/data/bug-5898.php

@@ -0,0 +1,25 @@
+<?php declare(strict_types = 1);
+
+namespace Bug5898;
+
+#[\Attribute(\Attribute::TARGET_METHOD)]
+class Route
+{
+
+	public function __construct(string $name)
+	{
+
+	}
+
+}
+
+class Sit
+{
+
+	#[Route(name: 'test')]
+	public function doFoo()
+	{
+
+	}
+
+}