[issue38328] Speed up the creation time of constant list literals.

[Brandt Bucher]

Brandt Bucher <brandtbucher at gmail.com> added the comment:

Yes, I was thinking about that (and BUILD_CONST_KEY_MAP as well). I'll open another PR with those as soon as this one is in.

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue38328>
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