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Optimize out Py_UNREACHABLE in the release mode #82430

@serhiy-storchaka

Description

@serhiy-storchaka
BPO 38249
Nosy @warsaw, @pitrou, @vstinner, @serhiy-storchaka
PRs
  • bpo-38249: Expand Py_UNREACHABLE() to __builtin_unreachable() in the release mode. #16329
  • 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 = None
    closed_at = <Date 2020-03-09.18:50:16.942>
    created_at = <Date 2019-09-22.09:47:06.857>
    labels = ['interpreter-core', '3.9', 'performance']
    title = 'Optimize out Py_UNREACHABLE in the release mode'
    updated_at = <Date 2020-03-09.18:50:16.941>
    user = 'https://github.com/serhiy-storchaka'

    bugs.python.org fields:

    activity = <Date 2020-03-09.18:50:16.941>
    actor = 'serhiy.storchaka'
    assignee = 'none'
    closed = True
    closed_date = <Date 2020-03-09.18:50:16.942>
    closer = 'serhiy.storchaka'
    components = ['Interpreter Core']
    creation = <Date 2019-09-22.09:47:06.857>
    creator = 'serhiy.storchaka'
    dependencies = []
    files = []
    hgrepos = []
    issue_num = 38249
    keywords = ['patch']
    message_count = 13.0
    messages = ['352965', '353025', '353026', '353029', '353039', '353941', '353950', '353953', '363674', '363704', '363705', '363706', '363760']
    nosy_count = 4.0
    nosy_names = ['barry', 'pitrou', 'vstinner', 'serhiy.storchaka']
    pr_nums = ['16329']
    priority = 'normal'
    resolution = 'fixed'
    stage = 'resolved'
    status = 'closed'
    superseder = None
    type = 'performance'
    url = 'https://bugs.python.org/issue38249'
    versions = ['Python 3.9']

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      3.9 (EOL)end of lifeinterpreter-core(Objects, Python, Grammar, and Parser dirs)performancePerformance or resource usage

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