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-rw-r--r--Objects/unicodeobject.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/Objects/unicodeobject.c b/Objects/unicodeobject.c
index 68977f4fee..74fb7ce8ff 100644
--- a/Objects/unicodeobject.c
+++ b/Objects/unicodeobject.c
@@ -654,6 +654,7 @@ PyUnicode_CopyCharacters(PyObject *to, Py_ssize_t to_start,
int overflow;
maxchar = 0;
+ overflow = 0;
for (i=0; i < how_many; i++) {
ch = PyUnicode_READ(from_kind, from_data, from_start + i);
if (ch > maxchar) {