sys.path entries normalization in site.py doesn't follow POSIX symlink behaviour

GitHub fields:

assignee = None
closed_at = None
created_at = <Date 2022-02-05.22:20:58.875>
labels = ['type-bug', '3.8', '3.9', '3.10', '3.11', '3.7', 'library']
title = "sys.path entries normalization in site.py doesn't follow POSIX symlink behaviour"
updated_at = <Date 2022-02-05.22:20:58.875>
user = 'https://github.com/jpoiret'

bugs.python.org fields:

activity = <Date 2022-02-05.22:20:58.875>
actor = 'jpoiret'
assignee = 'none'
closed = False
closed_date = None
closer = None
components = ['Library (Lib)']
creation = <Date 2022-02-05.22:20:58.875>
creator = 'jpoiret'
dependencies = []
files = []
hgrepos = []
issue_num = 46653
keywords = []
message_count = 1.0
messages = ['412600']
nosy_count = 1.0
nosy_names = ['jpoiret']
pr_nums = []
priority = 'normal'
resolution = None
stage = None
status = 'open'
superseder = None
type = 'behavior'
url = 'https://bugs.python.org/issue46653'
versions = ['Python 3.7', 'Python 3.8', 'Python 3.9', 'Python 3.10', 'Python 3.11']