From fecabc31458dc5ec6880550ee094476ce0f8044c Mon Sep 17 00:00:00 2001
From: Hiroshi SHIBATA <hsbt@ruby-lang.org>
Date: Tue, 24 Mar 2026 15:39:44 +0900
Subject: Revert "merge revision(s) 190b017fc6c21ff7b61c2b5ece0294785e4a4ca2:
 [Backport #21703]"

This reverts commit 83637aea6ea726f7fc4c17e56ac60c289e2d98db.
---
 io.c                          |  7 +------
 test/ruby/test_rubyoptions.rb | 21 ---------------------
 2 files changed, 1 insertion(+), 27 deletions(-)

diff --git a/io.c b/io.c
index 1d4e94eb23..70d6ed0b2c 100644
--- a/io.c
+++ b/io.c
@@ -8051,12 +8051,7 @@ ruby_popen_writer(char *const *argv, rb_pid_t *pid)
     int write_pair[2];
 # endif
 
-#ifdef HAVE_PIPE2
-    int result = pipe2(write_pair, O_CLOEXEC);
-#else
-    int result = pipe(write_pair);
-#endif
-
+    int result = rb_cloexec_pipe(write_pair);
     *pid = -1;
     if (result == 0) {
 # ifdef HAVE_WORKING_FORK
diff --git a/test/ruby/test_rubyoptions.rb b/test/ruby/test_rubyoptions.rb
index 9dfca44d3b..8697092bbc 100644
--- a/test/ruby/test_rubyoptions.rb
+++ b/test/ruby/test_rubyoptions.rb
@@ -956,27 +956,6 @@ class TestRubyOptions < Test::Unit::TestCase
     end
   end
 
-  def test_crash_report_pipe_script
-    omit "only runs on Linux" unless RUBY_PLATFORM.include?("linux")
-
-    Tempfile.create(["script", ".sh"]) do |script|
-      Tempfile.create("crash_report") do |crash_report|
-        script.write(<<~BASH)
-          #!/usr/bin/env bash
-
-          cat > #{crash_report.path}
-        BASH
-        script.close
-
-        FileUtils.chmod("+x", script)
-
-        assert_crash_report("| #{script.path}") do
-          assert_include(File.read(crash_report.path), "[BUG] Segmentation fault at")
-        end
-      end
-    end
-  end
-
   def test_DATA
     Tempfile.create(["test_ruby_test_rubyoption", ".rb"]) {|t|
       t.puts "puts DATA.read.inspect"
-- 
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