From cd3a1fbee2d7921963b16ec6e172ee929ea9e873 Mon Sep 17 00:00:00 2001
From: Oskar Eichler <oskar@songstats.com>
Date: Fri, 28 Aug 2026 03:04:15 +0300
Subject: [PATCH 1/2] Use original identity for recursive inspection

---
 lib/ostruct.rb | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/ostruct.rb b/lib/ostruct.rb
index a8763da..62200cf 100644
--- a/lib/ostruct.rb
+++ b/lib/ostruct.rb
@@ -390,10 +390,10 @@ def delete_field(name, &block)
   #
   def inspect
     ids = (Thread.current[InspectKey] ||= [])
-    if ids.include?(object_id)
+    if ids.include?(object_id!)
       detail = ' ...'
     else
-      ids << object_id
+      ids << object_id!
       begin
         detail = @table.map do |key, value|
           " #{key}=#{value.inspect}"

From b42e90275edd93b7b95637feb25f93c789bac3d5 Mon Sep 17 00:00:00 2001
From: Oskar Eichler <62393985+OskarEichler@users.noreply.github.com>
Date: Fri, 28 Aug 2026 14:56:14 +0300
Subject: [PATCH 2/2] test: cover OpenStruct field collision regression

---
 test/ostruct/test_ostruct.rb | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/test/ostruct/test_ostruct.rb b/test/ostruct/test_ostruct.rb
index 616f84d..8c870a2 100644
--- a/test/ostruct/test_ostruct.rb
+++ b/test/ostruct/test_ostruct.rb
@@ -439,4 +439,11 @@ def test_performance_warning
       )
     end
   end
+  def test_inspect_with_object_id_field
+    child = OpenStruct.new(object_id: 1, value: 2)
+    parent = OpenStruct.new(object_id: 1, child: child)
+
+    assert_match(/child=#<OpenStruct object_id=1, value=2>/, parent.inspect)
+  end
+
 end