Calling built-in locals() and globals() in C++ leads to SystemError

GitHub fields:

assignee = None
closed_at = None
created_at = <Date 2018-12-19.14:54:20.890>
labels = ['type-bug', 'library']
title = 'Calling built-in locals() and globals() in C++ leads to SystemError'
updated_at = <Date 2018-12-20.06:03:51.696>
user = None

bugs.python.org fields:

activity = <Date 2018-12-20.06:03:51.696>
actor = '\xd0\x9d\xd0\xb8\xd0\xba\xd0\xb8\xd1\x82\xd0\xb0 \xd0\xa1\xd0\xb8\xd1\x80\xd0\xb3\xd0\xb8\xd0\xb5\xd0\xbd\xd0\xba\xd0\xbe'
assignee = 'none'
closed = False
closed_date = None
closer = None
components = ['Library (Lib)']
creation = <Date 2018-12-19.14:54:20.890>
creator = '\xd0\x9d\xd0\xb8\xd0\xba\xd0\xb8\xd1\x82\xd0\xb0 \xd0\xa1\xd0\xb8\xd1\x80\xd0\xb3\xd0\xb8\xd0\xb5\xd0\xbd\xd0\xba\xd0\xbe'
dependencies = []
files = []
hgrepos = []
issue_num = 35536
keywords = []
message_count = 3.0
messages = ['332144', '332175', '332178']
nosy_count = 2.0
nosy_names = ['benjamin.peterson', '\xd0\x9d\xd0\xb8\xd0\xba\xd0\xb8\xd1\x82\xd0\xb0 \xd0\xa1\xd0\xb8\xd1\x80\xd0\xb3\xd0\xb8\xd0\xb5\xd0\xbd\xd0\xba\xd0\xbe']
pr_nums = []
priority = 'normal'
resolution = None
stage = None
status = 'open'
superseder = None
type = 'behavior'
url = 'https://bugs.python.org/issue35536'
versions = ['Python 2.7', 'Python 3.6']