Experiment with LLVM BOLT binary optimizer

[corona10]

BPO	46378
Nosy	@corona10, @brandtbucher

^{Note: these values reflect the state of the issue at the time it was migrated and might not reflect the current state.}

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GitHub fields:

assignee = 'https://github.com/corona10'
closed_at = <Date 2022-01-27.17:00:46.351>
created_at = <Date 2022-01-14.16:11:27.201>
labels = ['3.11', 'build', 'performance']
title = 'Experiment with LLVM BOLT binary optimizer'
updated_at = <Date 2022-01-27.17:00:46.351>
user = 'https://github.com/corona10'

bugs.python.org fields:

activity = <Date 2022-01-27.17:00:46.351>
actor = 'corona10'
assignee = 'corona10'
closed = True
closed_date = <Date 2022-01-27.17:00:46.351>
closer = 'corona10'
components = ['Build']
creation = <Date 2022-01-14.16:11:27.201>
creator = 'corona10'
dependencies = []
files = []
hgrepos = []
issue_num = 46378
keywords = []
message_count = 2.0
messages = ['410570', '411901']
nosy_count = 2.0
nosy_names = ['corona10', 'brandtbucher']
pr_nums = []
priority = 'normal'
resolution = 'rejected'
stage = 'resolved'
status = 'closed'
superseder = None
type = 'performance'
url = 'https://bugs.python.org/issue46378'
versions = ['Python 3.11']

[corona10]

Just experiment how it will be worth :)

Thread: faster-cpython/ideas#224

[corona10]

Only 1% gain, so we decided not to adopt it yet.
see: faster-cpython/ideas#224 (comment)