[Python-Dev] Compact GC Header

Steve Dower steve.dower at python.org
Tue May 29 10:15:35 EDT 2018

Looks like it breaks the 3.7 ABI, which is certainly not allowed at this time. But it’s not a limited API structure, so no problem for 3.8.

Top-posted from my Windows 10 phone

From: Victor Stinner
Sent: Tuesday, May 29, 2018 6:44
To: INADA Naoki
Cc: Python-Dev
Subject: Re: [Python-Dev] Compact GC Header

> I hacked GC module and managed to slim PyGC_Head down from 3 words to 2
> words.
> It passes test suite, while some comments and code cleanup is needed before
> merge.

Does this change break the stable ABI?

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