diff --git a/src/Analyser/NodeScopeResolver.php b/src/Analyser/NodeScopeResolver.php
index 93a16ba06e..d51bce4983 100644
--- a/src/Analyser/NodeScopeResolver.php
+++ b/src/Analyser/NodeScopeResolver.php
@@ -716,13 +716,14 @@ private function processStmtNode(
 			$hasYield = false;
 			$throwPoints = [];
 			$impurePoints = [];
-			$this->processAttributeGroups($stmt, $stmt->attrGroups, $scope, $storage, $nodeCallback);
 			[$templateTypeMap, $phpDocParameterTypes, $phpDocImmediatelyInvokedCallableParameters, $phpDocClosureThisTypeParameters, $phpDocReturnType, $phpDocThrowType, $deprecatedDescription, $isDeprecated, $isInternal, $isFinal, $isPure, $acceptsNamedArguments, $isReadOnly, $phpDocComment, $asserts, $selfOutType, $phpDocParameterOutTypes] = $this->getPhpDocs($scope, $stmt);
 
 			foreach ($stmt->params as $param) {
 				$this->processParamNode($stmt, $param, $scope, $storage, $nodeCallback);
 			}
 
+			$this->processAttributeGroups($stmt, $stmt->attrGroups, $scope, $storage, $nodeCallback);
+
 			if ($stmt->returnType !== null) {
 				$this->callNodeCallback($nodeCallback, $stmt->returnType, $scope, $storage);
 			}
diff --git a/tests/PHPStan/Analyser/ParameterClosureTypeExtensionArrowFunctionTest.php b/tests/PHPStan/Analyser/ParameterClosureTypeExtensionArrowFunctionTest.php
index 778dbf90f7..def62d6a98 100644
--- a/tests/PHPStan/Analyser/ParameterClosureTypeExtensionArrowFunctionTest.php
+++ b/tests/PHPStan/Analyser/ParameterClosureTypeExtensionArrowFunctionTest.php
@@ -11,6 +11,9 @@ class ParameterClosureTypeExtensionArrowFunctionTest extends TypeInferenceTestCa
 	public static function dataFileAsserts(): iterable
 	{
 		yield from self::gatherAssertTypes(__DIR__ . '/data/parameter-closure-type-extension-arrow-function.php');
+		if (PHP_VERSION_ID >= 80500) {
+			yield from self::gatherAssertTypes(__DIR__ . '/data/closure-type-in-constant-expression-php85.php');
+		}
 	}
 
 	/**
diff --git a/tests/PHPStan/Analyser/data/closure-type-in-constant-expression-php85.php b/tests/PHPStan/Analyser/data/closure-type-in-constant-expression-php85.php
new file mode 100644
index 0000000000..17d9aff9d3
--- /dev/null
+++ b/tests/PHPStan/Analyser/data/closure-type-in-constant-expression-php85.php
@@ -0,0 +1,83 @@
+<?php
+
+namespace ClosureTypeInConstantExpressionPhp85;
+
+use Attribute;
+use PhpParser\Node\Expr\StaticCall;
+use PHPStan\Analyser\Scope;
+use PHPStan\Reflection\MethodReflection;
+use PHPStan\Reflection\Native\NativeParameterReflection;
+use PHPStan\Reflection\ParameterReflection;
+use PHPStan\Reflection\PassedByReference;
+use PHPStan\Type\CallableType;
+use PHPStan\Type\FloatType;
+use PHPStan\Type\Type;
+use PHPStan\Type\MixedType;
+use function PHPStan\Testing\assertType;
+
+class StaticMethodParameterClosureTypeExtension implements \PHPStan\Type\StaticMethodParameterClosureTypeExtension
+{
+
+	public function isStaticMethodSupported(MethodReflection $methodReflection, ParameterReflection $parameter): bool
+	{
+		if ($methodReflection->getName() !== '__construct') {
+			return false;
+		}
+
+		if ($methodReflection->getDeclaringClass()->getName() !== Idempotency::class) {
+			return false;
+		}
+
+		return $parameter->getName() === 'key';
+	}
+
+	public function getTypeFromStaticMethodCall(
+		MethodReflection $methodReflection,
+		StaticCall $methodCall,
+		ParameterReflection $parameter,
+		Scope $scope
+	): ?Type {
+		// Just some garbage, that doesn't throw an error anyway.
+		return new CallableType(
+			[
+				new NativeParameterReflection('test', false, new FloatType(), PassedByReference::createNo(), false, null),
+			],
+			new MixedType()
+		);
+
+		// What we need here, is a way to find out that this is being called from `__invoke`
+		// using $scope->getFunctionName()
+		// Then we would want to find out the 1st parameter of __invoke
+		// It would be SomeCommand.
+		// Then we would want to return that the callable signature is `static function (SomeCommand): string`
+		// But I'm not sure if this is the correct extension point at all...
+		// It seems it's not.
+	}
+}
+
+class SomeCommand {}
+
+#[Attribute(flags: Attribute::TARGET_METHOD)]
+final readonly class Idempotency
+{
+	/**
+	 * @param Closure(object): string $key
+	 */
+	public function __construct(
+		public Closure $key,
+	) {
+	}
+}
+
+class SomeHandler
+{
+	#[Idempotency(key: static function (object $command) : string {
+		assertType(SomeCommand::class, $command);
+
+		return 'hello';
+	})]
+	public function __invoke(SomeCommand $command): void
+	{
+	}
+}
+
diff --git a/tests/PHPStan/Analyser/parameter-closure-type-extension-arrow-function.neon b/tests/PHPStan/Analyser/parameter-closure-type-extension-arrow-function.neon
index 2ab556183c..50a3edd10b 100644
--- a/tests/PHPStan/Analyser/parameter-closure-type-extension-arrow-function.neon
+++ b/tests/PHPStan/Analyser/parameter-closure-type-extension-arrow-function.neon
@@ -14,3 +14,8 @@ services:
 		tags:
 			- phpstan.staticMethodParameterClosureTypeExtension
 
+	-
+		class: \ClosureTypeInConstantExpressionPhp85\StaticMethodParameterClosureTypeExtension
+		tags:
+			- phpstan.staticMethodParameterClosureTypeExtension
+