From c6e09db4ffa884369339202ad2f36a90d7d3a8f1 Mon Sep 17 00:00:00 2001
From: Matt Brown <github@muglug.com>
Date: Sun, 10 Jan 2021 21:54:49 -0500
Subject: [PATCH] Add non-emptiness check

---
 tests/FileUpdates/TemporaryUpdateTest.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tests/FileUpdates/TemporaryUpdateTest.php b/tests/FileUpdates/TemporaryUpdateTest.php
index 73369fc54..599e53bf4 100644
--- a/tests/FileUpdates/TemporaryUpdateTest.php
+++ b/tests/FileUpdates/TemporaryUpdateTest.php
@@ -122,7 +122,7 @@ class TemporaryUpdateTest extends \Psalm\Tests\TestCase
             $this->assertSame($error_positions[$i + 1], $found_positions, 'stage ' . ($i + 2));
         }
 
-        if ($test_save) {
+        if ($test_save && $file_stages) {
             $last_file_stage = end($file_stages);
 
             foreach ($last_file_stage as $file_path => $_) {