From f203ebf904c484049cf5f86fad6c615e9bfe52f8 Mon Sep 17 00:00:00 2001
From: Sam Gross <colesbury@gmail.com>
Date: Thu, 9 May 2024 18:23:56 +0000
Subject: [PATCH] gh-118846: Fix PGO tests in free-threaded build

Avoid immortalizing objects in some tests that test behavior of
collecting classes or modules.

This fixes test_ordered_dict and test_struct.
---
 Lib/test/test_ordered_dict.py | 3 ++-
 Lib/test/test_struct.py       | 3 ++-
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/Lib/test/test_ordered_dict.py b/Lib/test/test_ordered_dict.py
index 4571b23dfe7c1a..06a0e81227188c 100644
--- a/Lib/test/test_ordered_dict.py
+++ b/Lib/test/test_ordered_dict.py
@@ -10,7 +10,7 @@
 import weakref
 from collections.abc import MutableMapping
 from test import mapping_tests, support
-from test.support import import_helper
+from test.support import import_helper, suppress_immortalization
 
 
 py_coll = import_helper.import_fresh_module('collections',
@@ -667,6 +667,7 @@ def test_dict_update(self):
         dict.update(od, [('spam', 1)])
         self.assertNotIn('NULL', repr(od))
 
+    @suppress_immortalization()
     def test_reference_loop(self):
         # Issue 25935
         OrderedDict = self.OrderedDict
diff --git a/Lib/test/test_struct.py b/Lib/test/test_struct.py
index 15f6ee06ffe19b..5508cc3eec85c8 100644
--- a/Lib/test/test_struct.py
+++ b/Lib/test/test_struct.py
@@ -9,7 +9,7 @@
 import weakref
 
 from test import support
-from test.support import import_helper
+from test.support import import_helper, suppress_immortalization
 from test.support.script_helper import assert_python_ok
 
 ISBIGENDIAN = sys.byteorder == "big"
@@ -674,6 +674,7 @@ def __del__(self):
         self.assertIn(b"Exception ignored in:", stderr)
         self.assertIn(b"C.__del__", stderr)
 
+    @suppress_immortalization()
     def test__struct_reference_cycle_cleaned_up(self):
         # Regression test for python/cpython#94207.