_PyUnicodeWriter: assert that max character <= MAX_UNICODE
diff --git a/Objects/unicodeobject.c b/Objects/unicodeobject.c
index b96333c..9ecf0e1 100644
--- a/Objects/unicodeobject.c
+++ b/Objects/unicodeobject.c
@@ -13348,6 +13348,8 @@
Py_ssize_t newlen;
PyObject *newbuffer;
+ assert(maxchar <= MAX_UNICODE);
+
/* ensure that the _PyUnicodeWriter_Prepare macro was used */
assert((maxchar > writer->maxchar && length >= 0)
|| length > 0);
@@ -13441,6 +13443,7 @@
Py_LOCAL_INLINE(int)
_PyUnicodeWriter_WriteCharInline(_PyUnicodeWriter *writer, Py_UCS4 ch)
{
+ assert(ch <= MAX_UNICODE);
if (_PyUnicodeWriter_Prepare(writer, 1, ch) < 0)
return -1;
PyUnicode_WRITE(writer->kind, writer->data, writer->pos, ch);