UselessFunctionDocCommentSniff: Fixed internal error

Author: kukulich

SlevomatCodingStandard/Helpers/AnnotationHelper.php

@@ -365,6 +365,10 @@ public static function isAnnotationUseless(
 		array $traversableTypeHints
 	): bool
 	{
+		if ($annotation->isInvalid()) {
+			return false;
+		}
+
 		if ($typeHint === null || $annotation->getContent() === null) {
 			return false;
 		}

tests/Sniffs/Commenting/data/uselessFunctionDocCommentSniffNoErrors.php

@@ -176,4 +176,13 @@ public function wrongParameterNameInAnnotation(int $a): bool
 		return true;
 	}
 
+	/**
+	 * @param [] $a
+	 * @return []
+	 */
+	public function invalidAnnotation(array $a): array
+	{
+		return [];
+	}
+
 }