bpo-35636: Remove redundant check in unicode_hash(). (GH-11402)
_Py_HashBytes() does the check for empty string.
diff --git a/Objects/unicodeobject.c b/Objects/unicodeobject.c
index 06338fa..f1dcfe9 100644
--- a/Objects/unicodeobject.c
+++ b/Objects/unicodeobject.c
@@ -11656,7 +11656,6 @@
static Py_hash_t
unicode_hash(PyObject *self)
{
- Py_ssize_t len;
Py_uhash_t x; /* Unsigned for defined overflow behavior. */
#ifdef Py_DEBUG
@@ -11666,15 +11665,7 @@
return _PyUnicode_HASH(self);
if (PyUnicode_READY(self) == -1)
return -1;
- len = PyUnicode_GET_LENGTH(self);
- /*
- We make the hash of the empty string be 0, rather than using
- (prefix ^ suffix), since this slightly obfuscates the hash secret
- */
- if (len == 0) {
- _PyUnicode_HASH(self) = 0;
- return 0;
- }
+
x = _Py_HashBytes(PyUnicode_DATA(self),
PyUnicode_GET_LENGTH(self) * PyUnicode_KIND(self));
_PyUnicode_HASH(self) = x;