[issue40514] [subinterpreters] Add --experimental-isolated-subinterpreters build option

[STINNER Victor]

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

I started to *remove* a few"#ifdef EXPERIMENTAL_ISOLATED_SUBINTERPRETERS":

* commit 88ec9190105c9b03f49aaef601ce02b242a75273: Make list free list per-interpreter
* commit 3744ed2c9c0b3905947602fc375de49533790cb9: Make frame free list per-interpreter
* PR 20645 (under review): Make dict free lists per-interpreter

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<https://bugs.python.org/issue40514>
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