From: Miss Islington (bot) <31488909+miss-islington@users.noreply.github.com>
Date: Mon, 27 Oct 2025 09:21:43 +0000 (+0100)
Subject: [3.14] Remove dead stores to 'size' in UTF-8 decoder (unicodeobject.c) (GH-140637... 
X-Git-Tag: v3.14.1~288
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=97c59f9d61f28a86ab4e470fd5382848c9b5536f;p=thirdparty%2FPython%2Fcpython.git

[3.14] Remove dead stores to 'size' in UTF-8 decoder (unicodeobject.c) (GH-140637) (#140658)

Remove dead stores to 'size' in UTF-8 decoder (unicodeobject.c) (GH-140637)
(cherry picked from commit 7d70a147f58edabc9691869a0e8b606c9c3ac184)

Co-authored-by: Shamil <ashm.tech@proton.me>
---

diff --git a/Objects/unicodeobject.c b/Objects/unicodeobject.c
index 0ff2d71924ff..c71c5720ea09 100644
--- a/Objects/unicodeobject.c
+++ b/Objects/unicodeobject.c
@@ -5497,7 +5497,6 @@ unicode_decode_utf8(const char *s, Py_ssize_t size,
     if (maxchr <= 255) {
         memcpy(PyUnicode_1BYTE_DATA(u), s, pos);
         s += pos;
-        size -= pos;
         writer.pos = pos;
     }
 
@@ -5545,7 +5544,6 @@ unicode_decode_utf8_writer(_PyUnicodeWriter *writer,
             return 0;
         }
         s += decoded;
-        size -= decoded;
     }
 
     return unicode_decode_utf8_impl(writer, starts, s, end,