diff options
| -rw-r--r-- | Objects/listobject.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/Objects/listobject.c b/Objects/listobject.c index fd5a72a..b6c1d78 100644 --- a/Objects/listobject.c +++ b/Objects/listobject.c @@ -1832,7 +1832,8 @@ merge_collapse(MergeState *ms) assert(ms); while (ms->n > 1) { Py_ssize_t n = ms->n - 2; - if (n > 0 && p[n-1].len <= p[n].len + p[n+1].len) { + if ((n > 0 && p[n-1].len <= p[n].len + p[n+1].len) || + (n > 1 && p[n-2].len <= p[n-1].len + p[n].len)) { if (p[n-1].len < p[n+1].len) --n; if (merge_at(ms, n) < 0) |