https://git.ruby-lang.org/ruby.git/commit/?id=1943b27fe9

From 1943b27fe9f7ad237a1c5119550d2d71958cf4cd Mon Sep 17 00:00:00 2001
From: Maxime Chevalier-Boisvert <maximechevalierb@g...>
Date: Thu, 15 Jul 2021 14:57:27 -0400
Subject: Update yjit.rb

---
 yjit.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/yjit.rb b/yjit.rb
index 6c4d6de347..0a44e2bfab 100644
--- a/yjit.rb
+++ b/yjit.rb
@@ -103,7 +103,7 @@ module YJIT https://github.com/ruby/ruby/blob/trunk/yjit.rb#L103
     def self.disasm_block(cs, block, highlight)
       comments = comments_for(block.address, block.address + block.code.length)
       comment_idx = 0
-      str = ''.dup
+      str = +''
       cs.disasm(block.code, block.address).each do |i|
         while (comment = comments[comment_idx]) && comment.address <= i.address
           str << "  ; #{highlight.call(comment.comment)}\n"
-- 
cgit v1.2.1


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