BUG: stack with empty level list #21766

Job	Run time
Linux-32-bit	18m 3s
python-dev (macOS-14)	12m 6s
python-dev (macOS-13)	20m 18s
Linux-Musl	15m 34s
python-dev (ubuntu-22.04)	20m 12s
python-dev (windows-latest)	23m 19s
Pyodide build	23m 1s
macos-13 actions-310.yaml	27m 21s
macos-13 actions-311.yaml	31m 46s
macos-13 actions-312.yaml	32m 41s
macos-14 actions-310.yaml	18m 50s
macos-14 actions-311.yaml	17m 2s
macos-14 actions-312.yaml	19m 32s
windows-latest actions-311.yaml	34m 8s
windows-latest actions-312.yaml	47m 47s
windows-latest actions-310.yaml	32m 25s
python-freethreading	22m 41s
Minimum Versions	23m 53s
Future infer strings (without pyarrow)	40m 44s
Locale: zh_CN	23m 18s
Locale: it_IT	24m 25s
Downstream Compat	6m 4s
Numpy Dev	17m 18s
Pyarrow Nightly	19m 42s
Future infer strings	50m 14s
Pypy	1m 17s
ubuntu-22.04 actions-310.yaml	48m 15s
ubuntu-22.04 actions-311.yaml	44m 58s
ubuntu-22.04 actions-312.yaml	48m 41s
ubuntu-24.04-arm actions-311.yaml	21m 0s
ubuntu-24.04-arm actions-312.yaml	23m 50s
ubuntu-24.04-arm actions-310.yaml	20m 14s
	13h 50m 39s

Provide feedback