From: Nick Coghlan <ncoghlan@gmail.com>
Date: Sun, 4 Nov 2012 14:19:18 +0000 (+1000)
Subject: Issue #5765: Also check the compiler when finding the recursion limit
X-Git-Tag: v3.3.1rc1~683
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=10d6ddeef19a69ab9a73e64a3a9a82c50a4160a2;p=python

Issue #5765: Also check the compiler when finding the recursion limit
---

diff --git a/Tools/scripts/find_recursionlimit.py b/Tools/scripts/find_recursionlimit.py
index 7a8660356a..c42de7fc2b 100755
--- a/Tools/scripts/find_recursionlimit.py
+++ b/Tools/scripts/find_recursionlimit.py
@@ -89,6 +89,12 @@ def test_cpickle(_cache={}):
         _pickle.Pickler(io.BytesIO(), protocol=-1).dump(l)
         _cache[n] = l
 
+def test_compiler_recursion():
+    # The compiler uses a scaling factor to support additional levels
+    # of recursion. This is a sanity check of that scaling to ensure
+    # it still throws RuntimeError even at higher recursion limits
+    compile("()" * (10 * sys.getrecursionlimit()), "<single>", "single")
+
 def check_limit(n, test_func_name):
     sys.setrecursionlimit(n)
     if test_func_name.startswith("test_"):
@@ -117,5 +123,6 @@ if __name__ == '__main__':
         check_limit(limit, "test_getattr")
         check_limit(limit, "test_getitem")
         check_limit(limit, "test_cpickle")
+        check_limit(limit, "test_compiler_recursion")
         print("Limit of %d is fine" % limit)
         limit = limit + 100