GH-111801: set a lower recursion limit for test_infintely_many_bases() in test_isinstance (#113997)

brettcannon · web-flow · commit 3c19ee0422e9 · 2024-01-12T15:19:21.000-08:00
diff --git 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
@@ -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.

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,3 @@`
	`1`	+Lower the recursion limit in ``test_isinstance`` for
	`2`	+``test_infinitely_many_bases()``. This prevents a stack overflow on a
	`3`	`+pydebug build of WASI.`