From 3c19ee0422e9b9f1582fb74931c174a84583bca0 Mon Sep 17 00:00:00 2001
From: Brett Cannon <brett@python.org>
Date: Fri, 12 Jan 2024 15:19:21 -0800
Subject: [PATCH] GH-111801: set a lower recursion limit for
 `test_infintely_many_bases()` in `test_isinstance` (#113997)

---
 Lib/test/test_isinstance.py                                    | 2 +-
 .../next/Tests/2024-01-12-13-19-12.gh-issue-111801.9hh9DY.rst  | 3 +++
 2 files changed, 4 insertions(+), 1 deletion(-)
 create mode 100644 Misc/NEWS.d/next/Tests/2024-01-12-13-19-12.gh-issue-111801.9hh9DY.rst

diff --git a/Lib/test/test_isinstance.py b/Lib/test/test_isinstance.py
index bf9332e40aeaf2..791981b878b1f2 100644
--- a/Lib/test/test_isinstance.py
+++ b/Lib/test/test_isinstance.py
@@ -344,7 +344,7 @@ class B:
                     pass
                 A.__getattr__ = B.__getattr__ = X.__getattr__
                 return (A(), B())
-        with support.infinite_recursion():
+        with support.infinite_recursion(25):
             self.assertRaises(RecursionError, issubclass, X(), int)
 
 
diff --git a/Misc/NEWS.d/next/Tests/2024-01-12-13-19-12.gh-issue-111801.9hh9DY.rst b/Misc/NEWS.d/next/Tests/2024-01-12-13-19-12.gh-issue-111801.9hh9DY.rst
new file mode 100644
index 00000000000000..660fddd4a93038
--- /dev/null
+++ b/Misc/NEWS.d/next/Tests/2024-01-12-13-19-12.gh-issue-111801.9hh9DY.rst
@@ -0,0 +1,3 @@
+Lower the recursion limit in ``test_isinstance`` for
+``test_infinitely_many_bases()``. This prevents a stack overflow on a
+pydebug build of WASI.