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bpo-27129: Use instruction offsets, not byte offsets, in bytecode and internally. (GH-25069)

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* Use instruction offset, rather than bytecode offset. Streamlines interpreter dispatch a bit, and removes most EXTENDED_ARGs for jumps.

* Change some uses of PyCode_Addr2Line to PyFrame_GetLineNumber
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Mark Shannon 2021-04-01 16:00:31 +01:00 • committed by GitHub
parent 2ac0515027
commit fcb55c0037
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14 changed files with 4568 additions and 4569 deletions
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Lib/importlib/_bootstrap_external.py
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@ -314,6 +314,7 @@ _code_type = type(_write_atomic.__code__)
# Python 3.10a2 3432 (Function annotation for MAKE_FUNCTION is changed from dict to tuple bpo-42202)
# Python 3.10a2 3433 (RERAISE restores f_lasti if oparg != 0)
# Python 3.10a6 3434 (PEP 634: Structural Pattern Matching)
# Python 3.10a7 3435 Use instruction offsets (as opposed to byte offsets).
#
# MAGIC must change whenever the bytecode emitted by the compiler may no