diff options
Diffstat (limited to 'Python/marshal.c')
| -rw-r--r-- | Python/marshal.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/Python/marshal.c b/Python/marshal.c index bbe67e3..90a4405 100644 --- a/Python/marshal.c +++ b/Python/marshal.c @@ -298,9 +298,14 @@ w_ref(PyObject *v, char *flag, WFILE *p) if (p->version < 3 || p->hashtable == NULL) return 0; /* not writing object references */ - /* if it has only one reference, it definitely isn't shared */ - if (Py_REFCNT(v) == 1) + /* If it has only one reference, it definitely isn't shared. + * But we use TYPE_REF always for interned string, to PYC file stable + * as possible. + */ + if (Py_REFCNT(v) == 1 && + !(PyUnicode_CheckExact(v) && PyUnicode_CHECK_INTERNED(v))) { return 0; + } entry = _Py_hashtable_get_entry(p->hashtable, v); if (entry != NULL) { |