From: qqwqqw689 <114795525+qqwqqw689@users.noreply.github.com>
Date: Wed, 1 Jan 2025 22:11:29 +0000 (+0800)
Subject: gh-126469: remove unnecessary error-checking branch in `lexer.c` (#126473)
X-Git-Tag: v3.14.0a4~155
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=c810ed7c8e0a7464d19700ba1c8668a406f1c042;p=thirdparty%2FPython%2Fcpython.git

gh-126469: remove unnecessary error-checking branch in `lexer.c` (#126473)
---

diff --git a/Parser/lexer/lexer.c b/Parser/lexer/lexer.c
index 8c868593f944..dbbb94a407c8 100644
--- a/Parser/lexer/lexer.c
+++ b/Parser/lexer/lexer.c
@@ -329,11 +329,7 @@ verify_identifier(struct tok_state *tok)
         return 0;
     }
     Py_ssize_t invalid = _PyUnicode_ScanIdentifier(s);
-    if (invalid < 0) {
-        Py_DECREF(s);
-        tok->done = E_ERROR;
-        return 0;
-    }
+    assert(invalid >= 0);
     assert(PyUnicode_GET_LENGTH(s) > 0);
     if (invalid < PyUnicode_GET_LENGTH(s)) {
         Py_UCS4 ch = PyUnicode_READ_CHAR(s, invalid);