From ccf29cda19ac6db8583faf960cf35fa4f39971ec Mon Sep 17 00:00:00 2001
From: Yoo <121166835+ri7116@users.noreply.github.com>
Date: Mon, 8 Sep 2025 17:11:20 +0900
Subject: [PATCH] Revert "lib: optimize writable stream buffer clearing"

This reverts commit 8a2fec1f6ff83bad3264032e54c8fc0a10247ca3.

PR-URL: https://github.com/nodejs/node/pull/59743
Reviewed-By: Mattias Buelens <mattias@buelens.com>
Reviewed-By: Robert Nagy <ronagy@icloud.com>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: Ethan Arrowood <ethan@arrowood.dev>
---
 lib/internal/streams/writable.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/internal/streams/writable.js b/lib/internal/streams/writable.js
index 84ef2e2629f..a3a1a965b00 100644
--- a/lib/internal/streams/writable.js
+++ b/lib/internal/streams/writable.js
@@ -786,7 +786,7 @@ function clearBuffer(stream, state) {
     if (i === buffered.length) {
       resetBuffer(state);
     } else if (i > 256) {
-      state[kBufferedValue] = ArrayPrototypeSlice(buffered, i);
+      buffered.splice(0, i);
       state.bufferedIndex = 0;
     } else {
       state.bufferedIndex = i;