[New-bugs-announce] [issue24583] Crash when source set is changed during merging

[Serhiy Storchaka]

New submission from Serhiy Storchaka:

When the set is not empty and set.update() argument is set that is modified during merging, the crash is caused. Here is a test that reproduces a crash. Only Python 3.5+ is affected.

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components: Interpreter Core
files: test_set__merge_and_mutate.patch
keywords: patch
messages: 246403
nosy: rhettinger, serhiy.storchaka
priority: normal
severity: normal
stage: needs patch
status: open
title: Crash when source set is changed during merging
type: crash
versions: Python 3.5, Python 3.6
Added file: http://bugs.python.org/file39881/test_set__merge_and_mutate.patch

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue24583>
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