diff options
Diffstat (limited to 'Python')
| -rw-r--r-- | Python/ceval.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/Python/ceval.c b/Python/ceval.c index 4dd31ab..4c9bded 100644 --- a/Python/ceval.c +++ b/Python/ceval.c @@ -4253,7 +4253,7 @@ string_concatenate(PyObject *v, PyObject *w, } } - if (v->ob_refcnt == 1) { + if (v->ob_refcnt == 1 && !PyString_CHECK_INTERNED(v)) { /* Now we own the last reference to 'v', so we can resize it * in-place. */ |