gh-93678: Address stack exhaustion on WASI (GH-95296)

1 files changed, 7 insertions, 4 deletions

diff --git a/Lib/test/test_dynamic.py b/Lib/test/test_dynamic.py
index 3e0fcf4..e896fc7 100644
--- a/Lib/test/test_dynamic.py
+++ b/Lib/test/test_dynamic.py
@@ -1,6 +1,7 @@
 # Test the most dynamic corner cases of Python's runtime semantics.
 
 import builtins
+import sys
 import unittest
 
 from test.support import swap_item, swap_attr
@@ -139,12 +140,14 @@ class RebindBuiltinsTests(unittest.TestCase):
             def __missing__(self, key):
                 return int(key.removeprefix("_number_"))
 
-        code = "lambda: " + "+".join(f"_number_{i}" for i in range(1000))
-        sum_1000 = eval(code, MyGlobals())
-        expected = sum(range(1000))
+        # 1,000 on most systems
+        limit = sys.getrecursionlimit()
+        code = "lambda: " + "+".join(f"_number_{i}" for i in range(limit))
+        sum_func = eval(code, MyGlobals())
+        expected = sum(range(limit))
         # Warm up the the function for quickening (PEP 659)
         for _ in range(30):
-            self.assertEqual(sum_1000(), expected)
+            self.assertEqual(sum_func(), expected)
 
 if __name__ == "__main__":
     unittest.main()