[Python-checkins] Bump MAGIC_NUMBER to reflect change in JUMP_ABSOLUTE semantics. (GH-28829)
markshannon
webhook-mailer at python.org
Sat Oct 9 09:17:35 EDT 2021
https://github.com/python/cpython/commit/5e173f5db17cbb2e3f2139a3c5ccb6b81ac59785
commit: 5e173f5db17cbb2e3f2139a3c5ccb6b81ac59785
branch: main
author: Mark Shannon <mark at hotpy.org>
committer: markshannon <mark at hotpy.org>
date: 2021-10-09T14:17:22+01:00
summary:
Bump MAGIC_NUMBER to reflect change in JUMP_ABSOLUTE semantics. (GH-28829)
files:
M Lib/importlib/_bootstrap_external.py
diff --git a/Lib/importlib/_bootstrap_external.py b/Lib/importlib/_bootstrap_external.py
index d624b73f38eb6..c9692b542a5cc 100644
--- a/Lib/importlib/_bootstrap_external.py
+++ b/Lib/importlib/_bootstrap_external.py
@@ -363,6 +363,7 @@ def _write_atomic(path, data, mode=0o666):
# Python 3.11a1 3458 (imported objects now don't use LOAD_METHOD/CALL_METHOD)
# Python 3.11a1 3459 (PEP 657: add end line numbers and column offsets for instructions)
# Python 3.11a1 3460 (Add co_qualname field to PyCodeObject bpo-44530)
+# Python 3.11a1 3461 (JUMP_ABSOLUTE must jump backwards)
#
# MAGIC must change whenever the bytecode emitted by the compiler may no
@@ -372,7 +373,7 @@ def _write_atomic(path, data, mode=0o666):
# Whenever MAGIC_NUMBER is changed, the ranges in the magic_values array
# in PC/launcher.c must also be updated.
-MAGIC_NUMBER = (3460).to_bytes(2, 'little') + b'\r\n'
+MAGIC_NUMBER = (3461).to_bytes(2, 'little') + b'\r\n'
_RAW_MAGIC_NUMBER = int.from_bytes(MAGIC_NUMBER, 'little') # For import.c
_PYCACHE = '__pycache__'
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