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-rw-r--r--Objects/stringobject.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/Objects/stringobject.c b/Objects/stringobject.c
index b8e5f41..b90221a 100644
--- a/Objects/stringobject.c
+++ b/Objects/stringobject.c
@@ -52,6 +52,7 @@ PyObject *
PyString_FromStringAndSize(const char *str, int size)
{
register PyStringObject *op;
+ assert(size >= 0);
if (size == 0 && (op = nullstring) != NULL) {
#ifdef COUNT_ALLOCS
null_strings++;