From 4e073fdd3ffba8743bae1788ebdbc5faf8484b81 Mon Sep 17 00:00:00 2001
From: xtqqczze <45661989+xtqqczze@users.noreply.github.com>
Date: Thu, 15 Apr 2021 04:16:26 +0100
Subject: [PATCH] Avoid array allocations from GetDirectories/GetFiles.
 (#15167)

---
 src/System.Management.Automation/help/HelpFileHelpProvider.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/System.Management.Automation/help/HelpFileHelpProvider.cs b/src/System.Management.Automation/help/HelpFileHelpProvider.cs
index 5305403fa7..4591ddbf86 100644
--- a/src/System.Management.Automation/help/HelpFileHelpProvider.cs
+++ b/src/System.Management.Automation/help/HelpFileHelpProvider.cs
@@ -368,7 +368,7 @@ namespace System.Management.Automation
                     {
                         // Get all the directories under the module path
                         // * and SearchOption.AllDirectories gets all the version directories.
-                        string[] directories = Directory.GetDirectories(psModulePath, "*", SearchOption.AllDirectories);
+                        IEnumerable<string> directories = Directory.EnumerateDirectories(psModulePath, "*", SearchOption.AllDirectories);
 
                         var possibleModuleDirectories = directories.Where(static directory => !ModuleUtils.IsPossibleResourceDirectory(directory));