From 86ca45681dbfd3feadb9e5a6eb782e35b87b5993 Mon Sep 17 00:00:00 2001
From: xtqqczze <45661989+xtqqczze@users.noreply.github.com>
Date: Mon, 7 Dec 2020 23:20:58 +0000
Subject: [PATCH] Avoid array allocations from GetDirectories/GetFiles.
 (#14328)

---
 .../engine/CommandCompletion/CompletionCompleters.cs            | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/System.Management.Automation/engine/CommandCompletion/CompletionCompleters.cs b/src/System.Management.Automation/engine/CommandCompletion/CompletionCompleters.cs
index f5c276466..853b79e78 100644
--- a/src/System.Management.Automation/engine/CommandCompletion/CompletionCompleters.cs
+++ b/src/System.Management.Automation/engine/CommandCompletion/CompletionCompleters.cs
@@ -6096,7 +6096,7 @@ namespace System.Management.Automation
 
                 foreach (var dir in searchPaths)
                 {
-                    foreach (var file in Directory.GetFiles(dir))
+                    foreach (var file in Directory.EnumerateFiles(dir))
                     {
                         if (wildcardPattern.IsMatch(Path.GetFileName(file)))
                         {