https://github.com/python/cpython/commit/b883ad17cd1d6cc9464299c951bb779e88339775
commit: b883ad17cd1d6cc9464299c951bb779e88339775
branch: 3.14
author: Miss Islington (bot) <[email protected]>
committer: serhiy-storchaka <[email protected]>
date: 2025-11-12T09:56:47Z
summary:

[3.14] gh-141370: document undefined behavior of Py_ABS() (GH-141439) 
(GH-141454)

(cherry picked from commit 20f53df07d42c495a08c73a3d54b8dd9098a62f0)

Co-authored-by: Sergey B Kirpichev <[email protected]>

files:
M Doc/c-api/intro.rst

diff --git a/Doc/c-api/intro.rst b/Doc/c-api/intro.rst
index 096e4d34f664d9..04c4d7284ad4fd 100644
--- a/Doc/c-api/intro.rst
+++ b/Doc/c-api/intro.rst
@@ -121,6 +121,10 @@ complete listing.
 
    Return the absolute value of ``x``.
 
+   If the result cannot be represented (for example, if ``x`` has
+   :c:macro:`!INT_MIN` value for :c:expr:`int` type), the behavior is
+   undefined.
+
    .. versionadded:: 3.3
 
 .. c:macro:: Py_ALWAYS_INLINE

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