bpo-40222: "Zero cost" exception handling (GH-25729)

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"Zero cost" exception handling.

* Uses a lookup table to determine how to handle exceptions.
* Removes SETUP_FINALLY and POP_TOP block instructions, eliminating (most of) the runtime overhead of try statements.
* Reduces the size of the frame object by about 60%.

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Mark Shannon 2021-05-07 15:19:19 +01:00 • committed by GitHub

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commit adcd220556

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30 changed files with 6614 additions and 5687 deletions

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Python/importlib_external.h generated

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