[issue41875] __builtin_unreachable error in gcc 4.4.5

[STINNER Victor]

STINNER Victor <vstinner at python.org> added the comment:

Lukasz: Would you mind to cherry-pick the commit cca896e13b230a934fdb709b7f10c5451ffc25ba in 3.9.0 final?

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priority: normal -> release blocker

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