From 844d7999c558777dddb83a35a984e442fd86c7e5 Mon Sep 17 00:00:00 2001
From: dennis <dennis@yoast.com>
Date: Tue, 13 Sep 2022 11:31:20 +0200
Subject: [PATCH] Ensure @throws annotations reference valid Exception classes

---
 .../Internal/FileManipulation/FunctionDocblockManipulator.php    | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/Psalm/Internal/FileManipulation/FunctionDocblockManipulator.php b/src/Psalm/Internal/FileManipulation/FunctionDocblockManipulator.php
index ca652333e..6cc3c5946 100644
--- a/src/Psalm/Internal/FileManipulation/FunctionDocblockManipulator.php
+++ b/src/Psalm/Internal/FileManipulation/FunctionDocblockManipulator.php
@@ -405,6 +405,7 @@ class FunctionDocblockManipulator
             $inferredThrowsClause = array_reduce(
                 $this->throwsExceptions,
                 function (string $throwsClause, string $exception) {
+                    $exception = '\\' . $exception;
                     return $throwsClause === '' ? $exception : $throwsClause.'|'.$exception;
                 },
                 ''