reduce churn

python · eendebakpt · Apr 11, 2024 · Apr 11, 2024 · Apr 11, 2024 · Apr 11, 2024
commit abe35e8c3a53c8120bdffb395d18fbdfd1d99b68
diff --git a/Objects/unicodeobject.c b/Objects/unicodeobject.c
@@ -9947,18 +9947,15 @@ tailmatch(PyObject *self,
                         PyUnicode_READ(kind_sub, data_sub, end_sub);
 
     if (match_last) {
-        if (end_sub == 0) {
-            return 1;
-        }
         /* If both are of the same kind, memcmp is sufficient */
         if (kind_self == kind_sub) {
             return ! memcmp((char *)data_self + (offset * kind_sub),
                             data_sub, end_sub * kind_sub);
         }
         /* otherwise we have to compare each character by first accessing it */
         else {
-            /* We do not need to compare len(substring)-1 because the if
-               statement above ensured already that they are equal when we
+            /* We do not need to compare len(substring)-1 because the check on
+               match_last above ensured already that they are equal when we
                end up here. */
             for (i = 0; i < end_sub; ++i) {
                 if (PyUnicode_READ(kind_self, data_self, offset + i) !=