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pegen parser: Crash on SyntaxError with f-string on Windows #87152

@neonene

Description

@neonene
mannequin
BPO 42986
Nosy @lysnikolaou, @pablogsal, @neonene
PRs
  • bpo-42986: Fix parser crash when reporting syntax errors in f-string with newlines #24279
  • 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 2021-01-31.23:32:48.973>
    created_at = <Date 2021-01-20.22:51:26.792>
    labels = ['interpreter-core', '3.10', 'type-crash', 'release-blocker']
    title = 'pegen parser: Crash on SyntaxError with f-string on Windows'
    updated_at = <Date 2021-01-31.23:32:48.972>
    user = 'https://github.com/neonene'

    bugs.python.org fields:

    activity = <Date 2021-01-31.23:32:48.972>
    actor = 'pablogsal'
    assignee = 'none'
    closed = True
    closed_date = <Date 2021-01-31.23:32:48.973>
    closer = 'pablogsal'
    components = ['Interpreter Core']
    creation = <Date 2021-01-20.22:51:26.792>
    creator = 'neonene'
    dependencies = []
    files = []
    hgrepos = []
    issue_num = 42986
    keywords = ['patch']
    message_count = 4.0
    messages = ['385377', '385379', '385382', '386044']
    nosy_count = 3.0
    nosy_names = ['lys.nikolaou', 'pablogsal', 'neonene']
    pr_nums = ['24279']
    priority = 'release blocker'
    resolution = 'fixed'
    stage = 'resolved'
    status = 'closed'
    superseder = None
    type = 'crash'
    url = 'https://bugs.python.org/issue42986'
    versions = ['Python 3.10']

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      3.10only security fixesinterpreter-core(Objects, Python, Grammar, and Parser dirs)release-blockertype-crashA hard crash of the interpreter, possibly with a core dump

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