[issue42917] Block stack size for frame objects should be dynamically sizable

[Thomas Anderson]

Thomas Anderson <tomkpz at gmail.com> added the comment:

IIRC, some transpilers for functional languages create deeply nested code.  In particular for things like haskell's do notation.

Anyway, when I wrote the PR, it was initially to reduce the frame size.  Then once I had dynamic block stack sizing working, I realized there was no longer a need to keep the limit of 20 blocks.  It was just compile.c that had the artificial limit, so I removed it.  I can add the limit back in the PR, but I'm not sure what benefit that would give.

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<https://bugs.python.org/issue42917>
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