Check for PyUnicode_CopyCharacters() failure
diff --git a/Python/compile.c b/Python/compile.c
index 5f03792..9067722 100644
--- a/Python/compile.c
+++ b/Python/compile.c
@@ -245,8 +245,14 @@
return 0;
/* ident = "_" + priv[ipriv:] + ident # i.e. 1+plen+nlen bytes */
PyUnicode_WRITE(PyUnicode_KIND(result), PyUnicode_DATA(result), 0, '_');
- PyUnicode_CopyCharacters(result, 1, privateobj, ipriv, plen);
- PyUnicode_CopyCharacters(result, plen+1, ident, 0, nlen);
+ if (PyUnicode_CopyCharacters(result, 1, privateobj, ipriv, plen) < 0) {
+ Py_DECREF(result);
+ return NULL;
+ }
+ if (PyUnicode_CopyCharacters(result, plen+1, ident, 0, nlen) < 0) {
+ Py_DECREF(result);
+ return NULL;
+ }
return result;
}