From: Miss Islington (bot) <31488909+miss-islington@users.noreply.github.com>
Date: Tue, 31 Dec 2019 02:51:18 +0000 (-0800)
Subject: closes bpo-37446: resolve undefined behavior in Python/hamt.c (GH-17727)
X-Git-Tag: v3.8.2rc1~121
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=a278ae19b4daa1deb11e2a8eed38838027e90ece;p=thirdparty%2FPython%2Fcpython.git

closes bpo-37446: resolve undefined behavior in Python/hamt.c (GH-17727)

(cherry picked from commit d0c92e81aa2171228a23cb2bed36f7dab975257d)

Co-authored-by: Batuhan Taşkaya <47358913+isidentical@users.noreply.github.com>
---

diff --git a/Python/hamt.c b/Python/hamt.c
index 38412596a37b..5efc8d7fabe8 100644
--- a/Python/hamt.c
+++ b/Python/hamt.c
@@ -1864,7 +1864,7 @@ hamt_node_array_without(PyHamtNode_Array *self,
                     continue;
                 }
 
-                bitmap |= 1 << i;
+                bitmap |= 1U << i;
 
                 if (IS_BITMAP_NODE(node)) {
                     PyHamtNode_Bitmap *child = (PyHamtNode_Bitmap *)node;