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bpo-45711: Remove type and traceback from exc_info (GH-30122)

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* Do not PUSH/POP traceback or type to the stack as part of exc_info

* Remove exc_traceback and exc_type from _PyErr_StackItem

* Add to what's new, because this change breaks things like Cython
This commit is contained in:
Irit Katriel 2021-12-17 14:46:22 +00:00 • committed by GitHub
parent 62a0a2a25d
commit 396b58345f
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14 changed files with 228 additions and 389 deletions
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5
Lib/importlib/_bootstrap_external.py
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@ -371,9 +371,10 @@ _code_type = type(_write_atomic.__code__)
# Python 3.11a3 3464 (bpo-45636: Merge numeric BINARY_*/INPLACE_* into
# BINARY_OP)
# Python 3.11a3 3465 (Add COPY_FREE_VARS opcode)
# Python 3.11a3 3466 (bpo-45292: PEP-654 except*)
# Python 3.11a4 3466 (bpo-45292: PEP-654 except*)
# Python 3.11a4 3467 (Change CALL_xxx opcodes)
# Python 3.11a4 3468 (Add SEND opcode)
# Python 3.11a4 3469 (bpo-45711: remove type, traceback from exc_info)
#
# MAGIC must change whenever the bytecode emitted by the compiler may no
@ -383,7 +384,7 @@ _code_type = type(_write_atomic.__code__)
# Whenever MAGIC_NUMBER is changed, the ranges in the magic_values array
# in PC/launcher.c must also be updated.
MAGIC_NUMBER = (3468).to_bytes(2, 'little') + b'\r\n'
MAGIC_NUMBER = (3469).to_bytes(2, 'little') + b'\r\n'
_RAW_MAGIC_NUMBER = int.from_bytes(MAGIC_NUMBER, 'little') # For import.c
_PYCACHE = '__pycache__'