From 6a2ff105f169ac3b607621d6b8cd5bd0a7c800e6 Mon Sep 17 00:00:00 2001
From: cuiweixie <cuiweixie@gmail.com>
Date: Sun, 4 Sep 2022 19:20:31 +0800
Subject: [PATCH] unicode/utf8: use strings.Builder

Change-Id: I88b55f61eccb5764cac2a9397fd99a62f8735a9a
Reviewed-on: https://go-review.googlesource.com/c/go/+/428281
Reviewed-by: Ian Lance Taylor <iant@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Run-TryBot: Ian Lance Taylor <iant@google.com>
Reviewed-by: Benny Siegert <bsiegert@gmail.com>
---
 src/unicode/utf8/utf8_test.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/unicode/utf8/utf8_test.go b/src/unicode/utf8/utf8_test.go
index e7c31222cc..19a04dc92e 100644
--- a/src/unicode/utf8/utf8_test.go
+++ b/src/unicode/utf8/utf8_test.go
@@ -626,7 +626,7 @@ var longStringJapanese string    // ~100KB, non-ASCII
 
 func init() {
 	const japanese = "日本語日本語日本語日"
-	var b bytes.Buffer
+	var b strings.Builder
 	for i := 0; b.Len() < 100_000; i++ {
 		if i%100 == 0 {
 			b.WriteString(japanese)