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Bug 729570 - sys-devel/gcc-10 miscompiles dev-lang/python-3.9.0_beta3 on HPPA - src_compile(): Fatal Python error: init_fs_encoding: failed to get the Python codec of the filesystem encoding
Summary: sys-devel/gcc-10 miscompiles dev-lang/python-3.9.0_beta3 on HPPA - src_compil...
Status: RESOLVED FIXED
Alias: None
Product: Gentoo Linux
Classification: Unclassified
Component: Current packages (show other bugs)
Hardware: HPPA Linux
: Normal normal (vote)
Assignee: Gentoo Toolchain Maintainers
URL: https://gcc.gnu.org/PR96015
Whiteboard:
Keywords:
Depends on:
Blocks: 915000
  Show dependency tree
 
Reported: 2020-06-25 08:15 UTC by Jeroen Roovers (RETIRED)
Modified: 2023-10-01 05:58 UTC (History)
4 users (show)

See Also:
Package list:
Runtime testing required: ---


Attachments
dev-lang:python-3.9.0_beta3:20200624-205627.log (dev-lang:python-3.9.0_beta3:20200624-205627.log,112.69 KB, text/plain)
2020-06-25 08:15 UTC, Jeroen Roovers (RETIRED)
Details
0001-Disable-fdelayed-branch-by-default.patch (0001-Disable-fdelayed-branch-by-default.patch,1.57 KB, patch)
2020-07-03 21:55 UTC, Sergei Trofimovich (RETIRED)
Details | Diff

Note You need to log in before you can comment on or make changes to this bug.
Description Jeroen Roovers (RETIRED) gentoo-dev 2020-06-25 08:15:58 UTC
Created attachment 646292 [details]
dev-lang:python-3.9.0_beta3:20200624-205627.log

LD_LIBRARY_PATH=/var/tmp/portage/dev-lang/python-3.9.0_beta3/work/Python-3.9.0b3 ./python -E -S -m sysconfig --generate-posix-vars ;\
if test $? -ne 0 ; then \
        echo "generate-posix-vars failed" ; \
        rm -f ./pybuilddir.txt ; \
        exit 1 ; \
fi
Python path configuration:
  PYTHONHOME = (not set)
  PYTHONPATH = (not set)
  program name = './python'
  isolated = 0
  environment = 0
  user site = 1
  import site = 0
  sys._base_executable = '/var/tmp/portage/dev-lang/python-3.9.0_beta3/work/Python-3.9.0b3/python'
  sys.base_prefix = '/usr'
  sys.base_exec_prefix = '/usr'
  sys.platlibdir = 'lib'
  sys.executable = '/var/tmp/portage/dev-lang/python-3.9.0_beta3/work/Python-3.9.0b3/python'
  sys.prefix = '/usr'
  sys.exec_prefix = '/usr'
  sys.path = [
    '/usr/lib/python39.zip',
    '/var/tmp/portage/dev-lang/python-3.9.0_beta3/work/Python-3.9.0b3/Lib',
    '/var/tmp/portage/dev-lang/python-3.9.0_beta3/work/Python-3.9.0b3/none\n',
  ]
Fatal Python error: init_fs_encoding: failed to get the Python codec of the filesystem encoding
Python runtime state: core initialized
Traceback (most recent call last):
  File "<frozen importlib._bootstrap>", line 1007, in _find_and_load
  File "<frozen importlib._bootstrap>", line 161, in __exit__
  File "<frozen importlib._bootstrap>", line 116, in release
RuntimeError: cannot release un-acquired lock
generate-posix-vars failed
make: *** [Makefile:611: pybuilddir.txt] Error 1
 * ERROR: dev-lang/python-3.9.0_beta3::gentoo failed (compile phase):
 *   emake failed


[ebuild     U  ] dev-lang/python-3.9.0_beta3:3.9::gentoo [3.9.0_alpha6:3.9::gentoo] USE="examples gdbm ipv6 ncurses readline sqlite ssl tk wininst xml -bluetooth -build -hardened -libressl -test" 0 KiB


Thu 25 Jun 10:14:54 CEST 2020
emerge --info =dev-lang/python-3.9.0_beta3
Portage 2.3.103 (python 3.6.10-final-0, default/linux/hppa/17.0, gcc-10.1.0, glibc-2.31-r5, 5.8.0-rc2-JeR-00064-g8be3a53e18e0 parisc64)
=================================================================
                         System Settings
=================================================================
System uname: Linux-5.8.0-rc2-JeR-00064-g8be3a53e18e0-parisc64-PA8800_-Mako-with-gentoo-2.7
KiB Mem:     8213044 total,   5511048 free
KiB Swap:    2101676 total,   2101676 free
Timestamp of repository gentoo: Thu, 25 Jun 2020 06:00:01 +0000
Head commit of repository gentoo: ff1161b7dd9bf20b0292594dfd6b2c8b19ee658b
sh bash 5.0_p17
ld GNU ld (Gentoo 2.34 p4) 2.34.0
distcc[6995] (dcc_mkdir) ERROR: mkdir '/dev/shm/distcc/root/state' failed: No such file or directory [disabled]
ccache version 3.7.10 [disabled]
app-shells/bash:          5.0_p17::gentoo
dev-lang/perl:            5.30.3-r1::gentoo
dev-lang/python:          2.7.18::gentoo, 3.5.9::gentoo, 3.6.10-r2::gentoo, 3.7.7-r2::gentoo, 3.8.3::gentoo, 3.9.0_alpha6::gentoo
dev-util/ccache:          3.7.10::gentoo
dev-util/cmake:           3.17.3::gentoo
sys-apps/baselayout:      2.7::gentoo
sys-apps/openrc:          0.42.1::gentoo
sys-apps/sandbox:         2.20::gentoo
sys-devel/autoconf:       2.13-r1::gentoo, 2.69-r5::gentoo
sys-devel/automake:       1.9.6-r3::gentoo, 1.11.6-r3::gentoo, 1.12.6::gentoo, 1.13.4-r2::gentoo, 1.14.1::gentoo, 1.15.1-r2::gentoo, 1.16.2::gentoo
sys-devel/binutils:       2.32-r1::gentoo, 2.33.1-r1::gentoo, 2.34-r1::gentoo
sys-devel/gcc:            6.5.0-r2::gentoo, 7.3.0-r6::gentoo, 8.2.0-r6::gentoo, 8.3.0-r3::gentoo, 9.2.0-r4::gentoo, 9.3.0::gentoo, 10.1.0-r1::gentoo
sys-devel/gcc-config:     2.3.1::gentoo
sys-devel/libtool:        2.4.6-r6::gentoo
sys-devel/make:           4.3::gentoo
sys-kernel/linux-headers: 5.7::gentoo (virtual/os-headers)
sys-libs/glibc:           2.31-r5::gentoo
Repositories:

gentoo
    location: /aches/gentoo/portage
    sync-type: rsync
    sync-uri: rsync://rsync.de.gentoo.org/gentoo-portage
    priority: -1000
    sync-rsync-verify-jobs: 1
    sync-rsync-verify-max-age: 24
    sync-rsync-verify-metamanifest: yes
    sync-rsync-extra-opts: 

JeR
    location: /aches/gentoo/local
    masters: gentoo
    priority: -100

ACCEPT_KEYWORDS="hppa ~hppa"
ACCEPT_LICENSE="*"
CBUILD="hppa2.0-unknown-linux-gnu"
CFLAGS="-mschedule=8000 -march=2.0 -ggdb -Wall -O2 -pipe -fno-common -Wno-comment"
CHOST="hppa2.0-unknown-linux-gnu"
CONFIG_PROTECT="/etc /etc/stunnel/stunnel.conf /usr/lib/distcc/bin /usr/share/easy-rsa /usr/share/gnupg/qualified.txt /var/bind /var/www/localhost/htdocs/wordpress/wp-config.php"
CONFIG_PROTECT_MASK="/etc/ca-certificates.conf /etc/dconf /etc/env.d /etc/fonts/fonts.conf /etc/gconf /etc/gentoo-release /etc/php/apache2-php7.1/ext-active/ /etc/php/apache2-php7.2/ext-active/ /etc/php/apache2-php7.3/ext-active/ /etc/php/apache2-php7.4/ext-active/ /etc/php/cgi-php7.1/ext-active/ /etc/php/cgi-php7.2/ext-active/ /etc/php/cgi-php7.3/ext-active/ /etc/php/cgi-php7.4/ext-active/ /etc/php/cli-php7.1/ext-active/ /etc/php/cli-php7.2/ext-active/ /etc/php/cli-php7.3/ext-active/ /etc/php/cli-php7.4/ext-active/ /etc/revdep-rebuild /etc/sandbox.d /etc/terminfo"
CXXFLAGS="-mschedule=8000 -march=2.0 -ggdb -Wall -O2 -pipe"
DISTDIR="/aches/gentoo/distfiles"
EMERGE_DEFAULT_OPTS="--quiet-build=n --autounmask=n --keep-going --ignore-built-slot-operator-deps=y"
ENV_UNSET="DBUS_SESSION_BUS_ADDRESS DISPLAY GOBIN GOPATH PERL5LIB PERL5OPT PERLPREFIX PERL_CORE PERL_MB_OPT PERL_MM_OPT XAUTHORITY XDG_CACHE_HOME XDG_CONFIG_HOME XDG_DATA_HOME XDG_RUNTIME_DIR"
FCFLAGS=""
FEATURES="assume-digests binpkg-docompress binpkg-dostrip binpkg-logs binpkg-multi-instance buildpkg compressdebug config-protect-if-modified distlocks ebuild-locks fixlafiles ipc-sandbox merge-sync metadata-transfer multilib-strict network-sandbox news notitles parallel-fetch preserve-libs protect-owned qa-unresolved-soname-deps sandbox sfperms splitdebug strict test-fail-continue unknown-features-warn unmerge-logs unmerge-orphans userfetch userpriv usersandbox usersync xattr"
FFLAGS="-mschedule=8000 -march=2.0 -ggdb -Wall -O2 -pipe"
GENTOO_MIRRORS=" 	https://ftp.snt.utwente.nl/pub/os/linux/gentoo 	https://mirror.leaseweb.com/gentoo/ 	https://mirror.netcologne.de/gentoo/ "
LANG="en_GB.utf8"
LC_ALL="en_GB.UTF-8"
LDFLAGS="-Wl,-O1 -Wl,--hash-style=gnu -Wl,--as-needed -Wl,--no-keep-memory"
LINGUAS=" 	de en es fa fr it ja lt nl sv tr zh "
MAKEOPTS="-j3"
PKGDIR="/aches/gentoo/packages/karsten"
PORTAGE_CONFIGROOT="/"
PORTAGE_RSYNC_OPTS="--recursive --links --safe-links --perms --times --omit-dir-times --compress --force --whole-file --delete --stats --human-readable --timeout=180 --exclude=/distfiles --exclude=/local --exclude=/packages --exclude=/.git"
PORTAGE_TMPDIR="/var/tmp"
USE="256-color X acl alsa amr anacron apng argyllcms audit bash-completion beautifulsoup3 berkdb bfio big-endian bittorrent boost botan bzip2 cairo canberra caps cli coverage crossdev crypt cups custom-cflags cxx dane dbus declarative dirac directfb distinct-l dlz dot dri elogind emacs eselect-ldso exceptions exif expat fbcon ffmpeg filecaps firefox firmware foomaticdb fortran frontend-optional g-sorcery gbm gdbm geoip geoloc glep gles1 gles2 gost gpg gpm gsm gstreamer gtk gudev guile hddtemp hppa http2 hwdb iconv icu idn imlib inotify introspection ipv6 jadetex javascript jingle jit jpeg jpeg2k json kdrive kmod ladspa lasi launch-frontend lensfun libcaca libcanberra libevent libidn2 libopts libsoxr libusb libwww lm-sensors lm_sensors lua lzma lzo mad mng mod modplug mp3 mtp multislot multitarget munge nagios nas natspec ncurses netlink nfs nghttp3 nls nptl objc objc++ objc-gc offensive ofono-headset openexr opengl openmp openrc openvg opus oqgraph osmesa oss pam pcre pcre16 php pic pie pkcs11 png pnm policykit python qt qt3support qt4 raw readline realtime regression-test rtmp rubytests samba sbc schroedinger sctp seccomp smi snappy socks5 speex spell spidermonkey split-usr sqlite ssl svg tcl tcpd tga theora threads tiff tk tokyocabinet truetype unicode unwind v4l vala vim-syntax vorbis vpx wcwidth x264 x265 xattr xcb xft xhtml xkb xvfb xvid zlib zstd" ADA_TARGET="gnat_2018" ALSA_CARDS="ad1889 usb-audio" APACHE2_MODULES="authn_core authz_core socache_shmcb unixd actions alias auth_basic authn_alias authn_anon authn_dbm authn_default authn_file authz_dbm authz_default authz_groupfile authz_host authz_owner authz_user autoindex cache cgi cgid dav dav_fs dav_lock deflate dir disk_cache env expires ext_filter file_cache filter headers include info log_config logio mem_cache mime mime_magic negotiation rewrite setenvif speling status unique_id userdir usertrack vhost_alias" CALLIGRA_FEATURES="karbon sheets words" COLLECTD_PLUGINS="df interface irq load memory rrdtool swap syslog" CURL_SSL="openssl" ELIBC="glibc" GPSD_PROTOCOLS="ashtech aivdm earthmate evermore fv18 garmin garmintxt gpsclock greis isync itrax mtk3301 nmea ntrip navcom oceanserver oldstyle oncore rtcm104v2 rtcm104v3 sirf skytraq superstar2 timing tsip tripmate tnt ublox ubx" INPUT_DEVICES="evdev joystick keyboard mouse acecad aiptek calcomp citron digitaledge dmc dynapro elo2300 elographics fpit hyperpen jamstudio magellan microtouch mutouch palmax penmount spaceorb summa tek4957 tslib ur98 virtualbox libinput void" KERNEL="linux" L10N="de en es fa fr it ja lt nl sv tr zh" LCD_DEVICES="bayrad cfontz cfontz633 glk hd44780 lb216 lcdm001 mtxorb ncurses text" LIBREOFFICE_EXTENSIONS="presenter-console presenter-minimizer" OFFICE_IMPLEMENTATION="libreoffice" PHP_TARGETS="php7-2" POSTGRES_TARGETS="postgres10 postgres11" PYTHON_SINGLE_TARGET="python3_7" PYTHON_TARGETS="python2_7 python3_6 python3_7" RUBY_TARGETS="ruby25 ruby26 ruby27" USERLAND="GNU" VIDEO_CARDS="stifb dummy" XTABLES_ADDONS="quota2 psd pknock lscan length2 ipv4options ipset ipp2p iface geoip fuzzy condition tee tarpit sysrq steal rawnat logmark ipmark dhcpmac delude chaos account"
Unset:  CC, CPPFLAGS, CTARGET, CXX, INSTALL_MASK, PORTAGE_BINHOST, PORTAGE_BUNZIP2_COMMAND, PORTAGE_COMPRESS, PORTAGE_COMPRESS_FLAGS, PORTAGE_RSYNC_EXTRA_OPTS
Comment 1 Jeroen Roovers (RETIRED) gentoo-dev 2020-06-25 08:54:30 UTC
3.9.0_beta1 also has this problem.
Comment 2 Jeroen Roovers (RETIRED) gentoo-dev 2020-06-25 08:55:33 UTC
3.9.0_alpha6 too
Comment 3 Jeroen Roovers (RETIRED) gentoo-dev 2020-06-25 09:07:42 UTC
With -O0 the problem goes away.
Comment 4 Jeroen Roovers (RETIRED) gentoo-dev 2020-06-25 10:05:16 UTC
(In reply to Jeroen Roovers from comment #3)
> With -O0 the problem goes away.

-O1 is good, too.
Comment 5 Mike Gilbert gentoo-dev 2020-06-25 10:54:31 UTC
Maybe a compiler bug? Could you try with an older gcc?
Comment 6 Jeroen Roovers (RETIRED) gentoo-dev 2020-06-25 12:28:23 UTC
When I compile with =sys-devel/gcc-9.3.0 then everything seems all right.
Comment 7 Sergei Trofimovich (RETIRED) gentoo-dev 2020-06-27 23:15:01 UTC
Reproduced on hake. Will debug.
Comment 8 Sergei Trofimovich (RETIRED) gentoo-dev 2020-06-28 11:14:06 UTC
While poking more at hppa's failure valgrind claims it sees use-after-free at python initialization time when I'm running the same command:

"""
$ LD_LIBRARY_PATH=/tmp/portage/dev-lang/python-3.9.0_beta3/work/Python-3.9.0b3 valgrind <...> --log-file=lf ./python -E -S -m sysconfig --generate-posix-vars

...

==418994== Invalid read of size 4
==418994==    at 0x49332E3: pymalloc_free (obmalloc.c:1866)
==418994==    by 0x49332E3: _PyObject_Free (obmalloc.c:1920)
==418994==    by 0x491C421: dictresize (dictobject.c:1285)
==418994==    by 0x4921F47: insertion_resize (dictobject.c:1040)
==418994==    by 0x4921F47: PyDict_SetDefault (dictobject.c:2964)
==418994==    by 0x497977F: PyUnicode_InternInPlace (unicodeobject.c:15586)
==418994==    by 0x49799C9: PyUnicode_InternFromString (unicodeobject.c:15623)
==418994==    by 0x48F92FD: descr_new (descrobject.c:890)
==418994==    by 0x48F92FD: PyDescr_NewMethod (descrobject.c:939)
==418994==    by 0x4943292: add_methods (typeobject.c:4989)
==418994==    by 0x4943292: PyType_Ready (typeobject.c:5454)
==418994==    by 0x492D96B: _PyTypes_Init (object.c:1748)
==418994==    by 0x49F0377: pycore_init_types (pylifecycle.c:589)
==418994==    by 0x49F0377: pycore_interp_init (pylifecycle.c:726)
==418994==    by 0x49F1DC8: pyinit_config (pylifecycle.c:767)
==418994==    by 0x49F1DC8: pyinit_core.constprop.0 (pylifecycle.c:928)
==418994==    by 0x49F35E0: Py_InitializeFromConfig (pylifecycle.c:1138)
==418994==    by 0x49F35E0: Py_InitializeFromConfig (pylifecycle.c:1123)
==418994==    by 0x4A13269: pymain_init (main.c:66)
==418994==    by 0x4A14343: pymain_main (main.c:653)
==418994==    by 0x4A14343: Py_BytesMain (main.c:686)
==418994==    by 0x4C3DD49: (below main) (libc-start.c:308)
==418994==  Address 0x4f4b020 is 128 bytes inside a block of size 1,112 free'd
==418994==    at 0x48389CB: free (in /usr/lib64/valgrind/vgpreload_memcheck-amd64-linux.so)
==418994==    by 0x493331B: _PyObject_Free (obmalloc.c:1922)
==418994==    by 0x493331B: _PyObject_Free (obmalloc.c:1913)
==418994==    by 0x491C421: dictresize (dictobject.c:1285)
==418994==    by 0x4921F47: insertion_resize (dictobject.c:1040)
==418994==    by 0x4921F47: PyDict_SetDefault (dictobject.c:2964)
==418994==    by 0x497977F: PyUnicode_InternInPlace (unicodeobject.c:15586)
==418994==    by 0x49799C9: PyUnicode_InternFromString (unicodeobject.c:15623)
==418994==    by 0x494D077: _PyTypes_InitSlotDefs (typeobject.c:7532)
==418994==    by 0x492D920: _PyTypes_Init (object.c:1736)
==418994==    by 0x49F0377: pycore_init_types (pylifecycle.c:589)
==418994==    by 0x49F0377: pycore_interp_init (pylifecycle.c:726)
==418994==    by 0x49F1DC8: pyinit_config (pylifecycle.c:767)
==418994==    by 0x49F1DC8: pyinit_core.constprop.0 (pylifecycle.c:928)
==418994==    by 0x49F35E0: Py_InitializeFromConfig (pylifecycle.c:1138)
==418994==    by 0x49F35E0: Py_InitializeFromConfig (pylifecycle.c:1123)
==418994==    by 0x4A13269: pymain_init (main.c:66)
==418994==    by 0x4A14343: pymain_main (main.c:653)
==418994==    by 0x4A14343: Py_BytesMain (main.c:686)
==418994==    by 0x4C3DD49: (below main) (libc-start.c:308)
==418994==  Block was alloc'd at
==418994==    at 0x483779F: malloc (in /usr/lib64/valgrind/vgpreload_memcheck-amd64-linux.so)
==418994==    by 0x4933E27: _PyObject_Malloc (obmalloc.c:1645)
==418994==    by 0x4933E27: _PyObject_Malloc (obmalloc.c:1638)
==418994==    by 0x491BB3E: new_keys_object (dictobject.c:570)
==418994==    by 0x491C17E: dictresize (dictobject.c:1223)
==418994==    by 0x4921F47: insertion_resize (dictobject.c:1040)
==418994==    by 0x4921F47: PyDict_SetDefault (dictobject.c:2964)
==418994==    by 0x497977F: PyUnicode_InternInPlace (unicodeobject.c:15586)
==418994==    by 0x49799C9: PyUnicode_InternFromString (unicodeobject.c:15623)
==418994==    by 0x494D077: _PyTypes_InitSlotDefs (typeobject.c:7532)
==418994==    by 0x492D920: _PyTypes_Init (object.c:1736)
==418994==    by 0x49F0377: pycore_init_types (pylifecycle.c:589)
==418994==    by 0x49F0377: pycore_interp_init (pylifecycle.c:726)
==418994==    by 0x49F1DC8: pyinit_config (pylifecycle.c:767)
==418994==    by 0x49F1DC8: pyinit_core.constprop.0 (pylifecycle.c:928)
==418994==    by 0x49F35E0: Py_InitializeFromConfig (pylifecycle.c:1138)
==418994==    by 0x49F35E0: Py_InitializeFromConfig (pylifecycle.c:1123)
==418994==    by 0x4A13269: pymain_init (main.c:66)
==418994==    by 0x4A14343: pymain_main (main.c:653)
==418994==    by 0x4A14343: Py_BytesMain (main.c:686)
==418994==    by 0x4C3DD49: (below main) (libc-start.c:308)
"""

Looks like missing refcounts somewhere?
Comment 9 Michał Górny archtester Gentoo Infrastructure gentoo-dev Security 2020-06-28 11:30:22 UTC
Are you talking with gcc9 or 10?  i.e. is this confirmed to be a real bug in code, and not compiler issue?
Comment 10 Sergei Trofimovich (RETIRED) gentoo-dev 2020-06-28 11:43:13 UTC
valgrind reports the same use-after-free error on gcc-9.3.0 on amd64. I don't know if it's related to hppa failure or not.
Comment 11 Sergei Trofimovich (RETIRED) gentoo-dev 2020-07-01 07:35:43 UTC
The bug happens at the very least due to invalid generated bytecode. gcc-10.1.0 generates invalid code for 'long_richcompare()' and breaks many things including bootstrap.

Filed as https://gcc.gnu.org/PR96015.
Comment 12 Sergei Trofimovich (RETIRED) gentoo-dev 2020-07-03 21:55:44 UTC
Created attachment 647498 [details, diff]
0001-Disable-fdelayed-branch-by-default.patch

The error seems to come from "dbr" (delayed branch) pass in gcc/reorg.c.

At least sh has exactly the same problem, sparc and mips are probably also affected in some form.

Let's disable -fdelayed-branch on arches as 0001-Disable-fdelayed-branch-by-default.patch until we have better fix upstream. It will pessimize performance a bit. And also might uncover more corner cases.
Comment 13 Sergei Trofimovich (RETIRED) gentoo-dev 2020-07-03 22:14:31 UTC
Queued the patches for upcoming gcc-10 patchset. Might cut it this weekend.
Comment 14 Larry the Git Cow gentoo-dev 2020-07-04 07:56:07 UTC
The bug has been referenced in the following commit(s):

https://gitweb.gentoo.org/proj/gcc-patches.git/commit/?id=9d1b439e8c78ceaa561094657a0d42845611ab63

commit 9d1b439e8c78ceaa561094657a0d42845611ab63
Author:     Sergei Trofimovich <slyfox@gentoo.org>
AuthorDate: 2020-07-04 07:37:03 +0000
Commit:     Sergei Trofimovich <slyfox@gentoo.org>
CommitDate: 2020-07-04 07:37:03 +0000

    11.0.0: cut 2 patchset
    
    Two new patches:
    + 29_all_plugin-objdump.patch: detect tool-prefixed objdump
    + 30_all_fno-delayed-branch.patch: disable -fdelayed-branch to
      to fix python mis-compilation.
    
    Bug: https://gcc.gnu.org/PR95648
    Reported-by: Jeroen Roovers
    Bug: https://gcc.gnu.org/PR96015
    Bug: https://bugs.gentoo.org/729570
    Signed-off-by: Sergei Trofimovich <slyfox@gentoo.org>

 11.0.0/gentoo/README.history | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
Comment 15 Larry the Git Cow gentoo-dev 2020-07-04 08:09:36 UTC
The bug has been referenced in the following commit(s):

https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=ed08195b77a35057668ea47c9300861828c2b779

commit ed08195b77a35057668ea47c9300861828c2b779
Author:     Sergei Trofimovich <slyfox@gentoo.org>
AuthorDate: 2020-07-04 07:43:58 +0000
Commit:     Sergei Trofimovich <slyfox@gentoo.org>
CommitDate: 2020-07-04 08:09:14 +0000

    sys-devel/gcc: 11.0.0: cut 2 patchset
    
    Two new patches:
    + 29_all_plugin-objdump.patch: detect tool-prefixed objdump
    + 30_all_fno-delayed-branch.patch: disable -fdelayed-branch to
      to fix python mis-compilation.
    
    Bug: https://gcc.gnu.org/PR95648
    Reported-by: Jeroen Roovers
    Bug: https://gcc.gnu.org/PR96015
    Bug: https://bugs.gentoo.org/729570
    Package-Manager: Portage-2.3.103, Repoman-2.3.23
    Signed-off-by: Sergei Trofimovich <slyfox@gentoo.org>

 sys-devel/gcc/Manifest                  | 2 +-
 sys-devel/gcc/gcc-11.0.0_pre9999.ebuild | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)
Comment 16 Sergei Trofimovich (RETIRED) gentoo-dev 2020-07-04 08:17:50 UTC
Should be fixed by gcc-10.1.0-r2 in https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=9a478857e97c4a4d2769ded41b859c5dcfc3cbf9