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Fix speed regression in the re module which prevented chromium from building

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For details, see https://github.com/python/cpython/issues/94675

Backported from upstream 3.11 branch + https://github.com/python/cpython/pull/94685

Needs bootstrap for test_distutils (assert _sre.MAGIC == MAGIC, "SRE module mismatch").
This commit is contained in:
Miro Hrončok 2022-07-08 11:35:21 +02:00
commit 0b91c9eccc
2 changed files with 768 additions and 2 deletions
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24
python3.11.spec
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@ -17,7 +17,7 @@ URL: https://www.python.org/
%global prerel b3
%global upstream_version %{general_version}%{?prerel}
Version: %{general_version}%{?prerel:~%{prerel}}
Release: 6%{?dist}
Release: 7%{?dist}
License: Python
@ -59,7 +59,7 @@ License: Python
# IMPORTANT: When bootstrapping, it's very likely the wheels for pip and
# setuptools are not available. Turn off the rpmwheels bcond until
# the two packages are built with wheels to get around the issue.
%bcond_with bootstrap
%bcond_without bootstrap
# Whether to use RPM build wheels from the python-{pip,setuptools}-wheel package
# Uses upstream bundled prebuilt wheels otherwise
@ -339,6 +339,23 @@ Patch383: 00383-gh-93442-make-c-version-of-_py_cast-work-with-0-null.patch
# gh-94028: Clear and reset sqlite3 statements properly in cursor iternext (GH-94042)
Patch384: 00384-gh-94028-clear-and-reset-sqlite3-statements-properly-in-cursor-iternext-gh-94042.patch
# 00385 # 8696ca2373ef3d7595dfb62e2b63180621f40d5d
# gh-91404: Revert "bpo-23689: re module, fix memory leak..."
#
# This fixes a speed regression in the re module
# which prevented chromium from building in Fedora.
#
# Revert "bpo-23689: re module, fix memory leak when a match is terminated by a signal or memory allocation failure"
#
# This reverts commit 6e3eee5c11b539e9aab39cff783acf57838c355a.
#
# Manual fixups to increase the MAGIC number and to handle conflicts with
# a couple of changes that landed after that.
#
#
# gh-94675: Add a regression test for rjsmin re slowdown
Patch385: 00385-gh-91404-revert-bpo-23689-re-module-fix-memory-leak.patch
# (New patches go here ^^^)
#
# When adding new patches to "python" and "python3" in Fedora, EL, etc.,
@ -1611,6 +1628,9 @@ CheckPython optimized
# ======================================================
%changelog
* Fri Jul 08 2022 Miro Hrončok <mhroncok@redhat.com> - 3.11.0~b3-7
- Fix speed regression in the re module which prevented chromium from building
* Fri Jun 24 2022 Tomáš Hrnčiar <thrnciar@redhat.com> - 3.11.0~b3-6
- Clear and reset sqlite3 statements properly in cursor iternext (fixes rhbz#2099049)
- Revert a problematic fix of threading._shutdown() again (fixes rhbz#2100282)