readline.c: endless loop on SIGWINCH when loaded twice

GitHub fields:

assignee = None
closed_at = None
created_at = <Date 2020-06-19.09:43:54.160>
labels = ['3.8', '3.9', '3.10', '3.11', 'extension-modules', '3.7', 'type-crash']
title = 'readline.c: endless loop on SIGWINCH when loaded twice'
updated_at = <Date 2021-12-17.16:28:49.989>
user = 'https://github.com/blueyed'

bugs.python.org fields:

activity = <Date 2021-12-17.16:28:49.989>
actor = 'blueyed'
assignee = 'none'
closed = False
closed_date = None
closer = None
components = ['Extension Modules']
creation = <Date 2020-06-19.09:43:54.160>
creator = 'blueyed'
dependencies = []
files = []
hgrepos = []
issue_num = 41033
keywords = []
message_count = 4.0
messages = ['371861', '373394', '408754', '408796']
nosy_count = 2.0
nosy_names = ['blueyed', 'dale']
pr_nums = []
priority = 'normal'
resolution = None
stage = None
status = 'open'
superseder = None
type = 'crash'
url = 'https://bugs.python.org/issue41033'
versions = ['Python 3.5', 'Python 3.6', 'Python 3.7', 'Python 3.8', 'Python 3.9', 'Python 3.10', 'Python 3.11']