[issue40516] GCC 9 compiler warnings on MacOS Catalina

[Ned Deily]

Ned Deily <nad at python.org> added the comment:

See proposed PR 19925 for further discussion.

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components: +macOS -Build
nosy: +ned.deily, ronaldoussoren
versions: +Python 3.9

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue40516>
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