libc_ver() runtime error when sys.executable is empty

GitHub fields:

assignee = None
closed_at = None
created_at = <Date 2022-01-10.22:01:51.436>
labels = ['3.9', 'type-crash']
title = 'libc_ver() runtime error when sys.executable is empty'
updated_at = <Date 2022-01-12.00:56:44.897>
user = 'https://bugs.python.org/alliehammond'

bugs.python.org fields:

activity = <Date 2022-01-12.00:56:44.897>
actor = 'allie.hammond'
assignee = 'none'
closed = False
closed_date = None
closer = None
components = []
creation = <Date 2022-01-10.22:01:51.436>
creator = 'allie.hammond'
dependencies = []
files = []
hgrepos = []
issue_num = 46338
keywords = []
message_count = 3.0
messages = ['410261', '410283', '410372']
nosy_count = 2.0
nosy_names = ['lemburg', 'allie.hammond']
pr_nums = []
priority = 'normal'
resolution = None
stage = None
status = 'open'
superseder = None
type = 'crash'
url = 'https://bugs.python.org/issue46338'
versions = ['Python 3.9']