From a5e6a9e0aacd0f68143b61a1d44491e4de64e4a6 Mon Sep 17 00:00:00 2001
From: sobolevn <mail@sobolevn.me>
Date: Thu, 21 May 2026 12:28:38 +0300
Subject: [PATCH] gh-149219: Test `frozendict` in
 `Lib/test/test_crossinterp.py` (GH-149220) (cherry picked from commit
 c35b0f2b624ecc4d649a808acdb07a7fbcea60ac)

Co-authored-by: sobolevn <mail@sobolevn.me>
---
 Lib/test/test_crossinterp.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Lib/test/test_crossinterp.py b/Lib/test/test_crossinterp.py
index 4e536211168747..f4bf5a66ad2155 100644
--- a/Lib/test/test_crossinterp.py
+++ b/Lib/test/test_crossinterp.py
@@ -157,6 +157,10 @@ def ignore_byteswarning():
     {},
     {1: 7, 2: 8, 3: 9},
     {1: [1], 2: (2,), 3: {3: 4}},
+    # frozendict
+    frozendict(),
+    frozendict({1: 7, 2: 8, 3: 9}),
+    frozendict({1: [1], 2: (2,), 3: {3: 4}, 4: frozendict({5: 6})}),
     # set
     set(),
     {1, 2, 3},