From 814f52a9ebd035ec6e20641c602fa42f64b5dbe0 Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@ruby-lang.org>
Date: Mon, 1 May 2023 01:13:57 +0900
Subject: [Bug #19624] Hide internal IO for backquote

---
 io.c | 1 +
 1 file changed, 1 insertion(+)

(limited to 'io.c')

diff --git a/io.c b/io.c
index fb822f0f58..17a2d30c71 100644
--- a/io.c
+++ b/io.c
@@ -10497,6 +10497,7 @@ rb_f_backquote(VALUE obj, VALUE str)
     if (NIL_P(port)) return rb_str_new(0,0);
 
     GetOpenFile(port, fptr);
+    rb_obj_hide(port);
     result = read_all(fptr, remain_size(fptr), Qnil);
     rb_io_close(port);
     RFILE(port)->fptr = NULL;
-- 
cgit v1.2.1