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Bug 843974

Summary: sys-devel/gcc: ICE when building Mumble from git on arm64
Product: Gentoo Linux Reporter: Sam James <sam>
Component: Current packagesAssignee: Gentoo Toolchain Maintainers <toolchain>
Status: RESOLVED FIXED    
Severity: normal CC: alex.fan.q, matoro_gentoo
Priority: Normal    
Version: unspecified   
Hardware: ARM64   
OS: Linux   
See Also: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102067
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105600
Whiteboard:
Package list:
Runtime testing required: ---

Description Sam James archtester Gentoo Infrastructure gentoo-dev Security 2022-05-13 05:13:54 UTC 
ICE occurs when building Mumble from their git repo (https://github.com/mumble-voip/mumble) at 4f50172c5c8bc7c425efb350377106d3e83a7e79.

Needs LTO.

Occurs on arm64 with GCC 11.3.0 and GCC 12.1.0.

----
Portage 3.0.30 (python 3.9.11-final-0, default/linux/arm64/17.0/desktop/plasma/systemd, gcc-12.1.0, glibc-2.34-r10, 5.15.32-gentoo-dist aarch64)
=================================================================
System uname: Linux-5.15.32-gentoo-dist-aarch64-with-glibc2.34
KiB Mem:   262955296 total, 178946168 free
KiB Swap:    9767620 total,   9767620 free
Timestamp of repository gentoo: Fri, 13 May 2022 04:33:10 +0000
sh bash 5.1_p16
ld GNU ld (Gentoo 2.37_p1 p2) 2.37
app-misc/pax-utils:        1.3.3::gentoo
app-shells/bash:           5.1_p16::gentoo
dev-java/java-config:      2.3.1::gentoo
dev-lang/perl:             5.34.0-r6::gentoo
dev-lang/python:           3.9.11::gentoo, 3.10.3::gentoo
dev-lang/rust:             1.59.0::gentoo
dev-util/cmake:            3.22.2::gentoo
dev-util/meson:            0.60.3::gentoo
sys-apps/baselayout:       2.7-r3::gentoo
sys-apps/sandbox:          2.29::gentoo
sys-apps/systemd:          250.4-r1::gentoo
sys-devel/autoconf:        2.13-r1::gentoo, 2.71-r1::gentoo
sys-devel/automake:        1.16.5::gentoo
sys-devel/binutils:        2.37_p1-r2::gentoo
sys-devel/binutils-config: 5.4.1::gentoo
sys-devel/clang:           13.0.1::gentoo
sys-devel/gcc:             11.3.0::gentoo, 12.1.0::gentoo
sys-devel/gcc-config:      2.5-r1::gentoo
sys-devel/libtool:         2.4.6-r6::gentoo
sys-devel/llvm:            13.0.1::gentoo
sys-devel/make:            4.3::gentoo
sys-kernel/linux-headers:  5.15-r3::gentoo (virtual/os-headers)
sys-libs/glibc:            2.34-r10::gentoo
Repositories:

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

ACCEPT_KEYWORDS="arm64"
ACCEPT_LICENSE="@FREE"
CBUILD="aarch64-unknown-linux-gnu"
CFLAGS="-O2 -fsanitize=undefined"
CHOST="aarch64-unknown-linux-gnu"
CONFIG_PROTECT="/etc /usr/lib64/libreoffice/program/sofficerc /usr/share/config /usr/share/gnupg/qualified.txt"
CONFIG_PROTECT_MASK="/etc/ca-certificates.conf /etc/dconf /etc/env.d /etc/fonts/fonts.conf /etc/gconf /etc/gentoo-release /etc/revdep-rebuild /etc/sandbox.d /etc/terminfo /etc/texmf/language.dat.d /etc/texmf/language.def.d /etc/texmf/updmap.d /etc/texmf/web2c"
CXXFLAGS="-O2 -fsanitize=undefined"
DISTDIR="/var/cache/distfiles"
EMERGE_DEFAULT_OPTS="--keep-going=y --jobs=2 --complete-graph"
ENV_UNSET="CARGO_HOME 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="-O2 -pipe"
FEATURES="assume-digests binpkg-docompress binpkg-dostrip binpkg-logs binpkg-multi-instance buildpkg-live config-protect-if-modified distlocks ebuild-locks fixlafiles ipc-sandbox merge-sync multilib-strict network-sandbox news parallel-fetch pid-sandbox preserve-libs protect-owned qa-unresolved-soname-deps sandbox sfperms strict unknown-features-warn unmerge-logs unmerge-orphans userfetch userpriv usersandbox usersync xattr"
FFLAGS="-O2 -pipe"
GENTOO_MIRRORS="http://distfiles.gentoo.org"
LANG="C.UTF8"
LDFLAGS="-Wl,-O1 -Wl,--as-needed"
MAKEOPTS="-j80"
PKGDIR="/var/cache/binpkgs"
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="X a52 aac acl acpi activities alsa arm64 bluetooth branding bzip2 cairo cdda cdr cli crypt cups dbus declarative dri dts dvdr encode exif flac fortran gdbm gif gpm gtk gui iconv icu ipv6 jpeg kde kwallet lcms libglvnd libnotify libtirpc mad mng mp3 mp4 mpeg ncurses nls nptl ogg opengl openmp pam pango pcre pdf plasma png policykit ppds qml qt5 readline sdl seccomp semantic-desktop spell split-usr ssl startup-notification svg systemd tiff truetype udev udisks unicode upower usb vorbis widgets wxwidgets x264 xattr xcb xml xv xvid zlib" ADA_TARGET="gnat_2020" 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" CPU_FLAGS_ARM="edsp thumb thumb2 v4 v5 v6 v7 v8 vfp vfp-d32 vfpv3 vfpv4" 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="libinput" KERNEL="linux" LCD_DEVICES="bayrad cfontz cfontz633 glk hd44780 lb216 lcdm001 mtxorb ncurses text" LIBREOFFICE_EXTENSIONS="presenter-console presenter-minimizer" LUA_SINGLE_TARGET="lua5-1" LUA_TARGETS="lua5-1" OFFICE_IMPLEMENTATION="libreoffice" PHP_TARGETS="php7-4 php8-0" POSTGRES_TARGETS="postgres12 postgres13" PYTHON_SINGLE_TARGET="python3_9" PYTHON_TARGETS="python3_9" RUBY_TARGETS="ruby26 ruby27" USERLAND="GNU" VIDEO_CARDS="fbdev dummy v4l" XTABLES_ADDONS="quota2 psd pknock lscan length2 ipv4options ipset ipp2p iface geoip fuzzy condition tee tarpit sysrq proto steal rawnat logmark ipmark dhcpmac delude chaos account"
Unset:  ADDR2LINE, AR, ARFLAGS, AS, ASFLAGS, CC, CCLD, CONFIG_SHELL, CPP, CPPFLAGS, CTARGET, CXX, CXXFILT, ELFEDIT, EXTRA_ECONF, F77FLAGS, FC, GCOV, GPROF, INSTALL_MASK, LC_ALL, LD, LEX, LFLAGS, LIBTOOL, LINGUAS, MAKE, MAKEFLAGS, NM, OBJCOPY, OBJDUMP, PORTAGE_BINHOST, PORTAGE_BUNZIP2_COMMAND, PORTAGE_COMPRESS, PORTAGE_COMPRESS_FLAGS, PORTAGE_RSYNC_EXTRA_OPTS, RANLIB, READELF, RUSTFLAGS, SHELL, SIZE, STRINGS, STRIP, YACC, YFLAGS
Comment 1 Sam James archtester Gentoo Infrastructure gentoo-dev Security 2022-05-13 05:14:24 UTC 
/usr/bin/c++ -O2 -fsanitize=undefined -O3 -DNDEBUG -Wl,-z,relro -Wl,-z,now CMakeFiles/TestSettingsJSONSerialization.dir/TestSettingsJSONSerialization_autogen/mocs_compilation.cpp.o CMakeFiles/TestSettingsJSONSerialization.dir/TestSettingsJSONSerialization.cpp.o ../../mumble/CMakeFiles/mumble_client_object_lib.dir/mumble_client_object_lib_autogen/mocs_compilation.cpp.o ../../mumble/CMakeFiles/mumble_client_object_lib.dir/About.cpp.o ../../mumble/CMakeFiles/mumble_client_object_lib.dir/ACLEditor.cpp.o ../../mumble/CMakeFiles/mumble_client_object_lib.dir/API_v_1_0_x.cpp.o ../../mumble/CMakeFiles/mumble_client_object_lib.dir/AudioConfigDialog.cpp.o ../../mumble/CMakeFiles/mumble_client_object_lib.dir/Audio.cpp.o ../../mumble/CMakeFiles/mumble_client_object_lib.dir/AudioOutputCache.cpp.o ../../mumble/CMakeFiles/mumble_client_object_lib.dir/AudioInput.cpp.o ../../mumble/CMakeFiles/mumble_client_object_lib.dir/AudioOutput.cpp.o ../../mumble/CMakeFiles/mumble_client_object_lib.dir/AudioOutputSample.cpp.o ../../mumble/CMakeFiles/mumble_client_object_lib.dir/AudioOutputSpeech.cpp.o ../../mumble/CMakeFiles/mumble_client_object_lib.dir/AudioOutputUser.cpp.o ../../mumble/CMakeFiles/mumble_client_object_lib.dir/AudioStats.cpp.o ../../mumble/CMakeFiles/mumble_client_object_lib.dir/AudioWizard.cpp.o ../../mumble/CMakeFiles/mumble_client_object_lib.dir/BanEditor.cpp.o ../../mumble/CMakeFiles/mumble_client_object_lib.dir/CELTCodec.cpp.o ../../mumble/CMakeFiles/mumble_client_object_lib.dir/Cert.cpp.o ../../mumble/CMakeFiles/mumble_client_object_lib.dir/ClientUser.cpp.o ../../mumble/CMakeFiles/mumble_client_object_lib.dir/ConfigDialog.cpp.o ../../mumble/CMakeFiles/mumble_client_object_lib.dir/ConfigWidget.cpp.o ../../mumble/CMakeFiles/mumble_client_object_lib.dir/ConnectDialog.cpp.o ../../mumble/CMakeFiles/mumble_client_object_lib.dir/CustomElements.cpp.o ../../mumble/CMakeFiles/mumble_client_object_lib.dir/Database.cpp.o ../../mumble/CMakeFiles/mumble_client_object_lib.dir/DeveloperConsole.cpp.o ../../mumble/CMakeFiles/mumble_client_object_lib.dir/EchoCancelOption.cpp.o ../../mumble/CMakeFiles/mumble_client_object_lib.dir/EnumStringConversions.cpp.o ../../mumble/CMakeFiles/mumble_client_object_lib.dir/Global.cpp.o ../../mumble/CMakeFiles/mumble_client_object_lib.dir/GlobalShortcut.cpp.o ../../mumble/CMakeFiles/mumble_client_object_lib.dir/GlobalShortcutButtons.cpp.o ../../mumble/CMakeFiles/mumble_client_object_lib.dir/JSONSerialization.cpp.o ../../mumble/CMakeFiles/mumble_client_object_lib.dir/LCD.cpp.o ../../mumble/CMakeFiles/mumble_client_object_lib.dir/LegacyPlugin.cpp.o ../../mumble/CMakeFiles/mumble_client_object_lib.dir/ListenerLocalVolumeDialog.cpp.o ../../mumble/CMakeFiles/mumble_client_object_lib.dir/Log.cpp.o ../../mumble/CMakeFiles/mumble_client_object_lib.dir/LookConfig.cpp.o ../../mumble/CMakeFiles/mumble_client_object_lib.dir/MainWindow.cpp.o ../../mumble/CMakeFiles/mumble_client_object_lib.dir/Markdown.cpp.o ../../mumble/CMakeFiles/mumble_client_object_lib.dir/Messages.cpp.o ../../mumble/CMakeFiles/mumble_client_object_lib.dir/MumbleApplication.cpp.o ../../mumble/CMakeFiles/mumble_client_object_lib.dir/NetworkConfig.cpp.o ../../mumble/CMakeFiles/mumble_client_object_lib.dir/OpusCodec.cpp.o ../../mumble/CMakeFiles/mumble_client_object_lib.dir/PluginConfig.cpp.o ../../mumble/CMakeFiles/mumble_client_object_lib.dir/Plugin.cpp.o ../../mumble/CMakeFiles/mumble_client_object_lib.dir/PluginInstaller.cpp.o ../../mumble/CMakeFiles/mumble_client_object_lib.dir/PluginManager.cpp.o ../../mumble/CMakeFiles/mumble_client_object_lib.dir/PluginManifest.cpp.o ../../mumble/CMakeFiles/mumble_client_object_lib.dir/PluginUpdater.cpp.o ../../mumble/CMakeFiles/mumble_client_object_lib.dir/PositionalAudioViewer.cpp.o ../../mumble/CMakeFiles/mumble_client_object_lib.dir/PositionalData.cpp.o ../../mumble/CMakeFiles/mumble_client_object_lib.dir/PTTButtonWidget.cpp.o ../../mumble/CMakeFiles/mumble_client_object_lib.dir/QtWidgetUtils.cpp.o ../../mumble/CMakeFiles/mumble_client_object_lib.dir/RichTextEditor.cpp.o ../../mumble/CMakeFiles/mumble_client_object_lib.dir/Screen.cpp.o ../../mumble/CMakeFiles/mumble_client_object_lib.dir/SearchDialog.cpp.o ../../mumble/CMakeFiles/mumble_client_object_lib.dir/ServerHandler.cpp.o ../../mumble/CMakeFiles/mumble_client_object_lib.dir/ServerInformation.cpp.o ../../mumble/CMakeFiles/mumble_client_object_lib.dir/SettingsKeys.cpp.o ../../mumble/CMakeFiles/mumble_client_object_lib.dir/Settings.cpp.o ../../mumble/CMakeFiles/mumble_client_object_lib.dir/SharedMemory.cpp.o ../../mumble/CMakeFiles/mumble_client_object_lib.dir/SocketRPC.cpp.o ../../mumble/CMakeFiles/mumble_client_object_lib.dir/SvgIcon.cpp.o ../../mumble/CMakeFiles/mumble_client_object_lib.dir/TalkingUI.cpp.o ../../mumble/CMakeFiles/mumble_client_object_lib.dir/TalkingUIContainer.cpp.o ../../mumble/CMakeFiles/mumble_client_object_lib.dir/TalkingUIEntry.cpp.o ../../mumble/CMakeFiles/mumble_client_object_lib.dir/TalkingUISelection.cpp.o ../../mumble/CMakeFiles/mumble_client_object_lib.dir/TextMessage.cpp.o ../../mumble/CMakeFiles/mumble_client_object_lib.dir/ThemeInfo.cpp.o ../../mumble/CMakeFiles/mumble_client_object_lib.dir/Themes.cpp.o ../../mumble/CMakeFiles/mumble_client_object_lib.dir/Tokens.cpp.o ../../mumble/CMakeFiles/mumble_client_object_lib.dir/Translations.cpp.o ../../mumble/CMakeFiles/mumble_client_object_lib.dir/Usage.cpp.o ../../mumble/CMakeFiles/mumble_client_object_lib.dir/UserEdit.cpp.o ../../mumble/CMakeFiles/mumble_client_object_lib.dir/UserInformation.cpp.o ../../mumble/CMakeFiles/mumble_client_object_lib.dir/UserListModel.cpp.o ../../mumble/CMakeFiles/mumble_client_object_lib.dir/UserLocalNicknameDialog.cpp.o ../../mumble/CMakeFiles/mumble_client_object_lib.dir/UserLocalVolumeDialog.cpp.o ../../mumble/CMakeFiles/mumble_client_object_lib.dir/UserModel.cpp.o ../../mumble/CMakeFiles/mumble_client_object_lib.dir/UserView.cpp.o ../../mumble/CMakeFiles/mumble_client_object_lib.dir/VersionCheck.cpp.o ../../mumble/CMakeFiles/mumble_client_object_lib.dir/ViewCert.cpp.o ../../mumble/CMakeFiles/mumble_client_object_lib.dir/VoiceRecorder.cpp.o ../../mumble/CMakeFiles/mumble_client_object_lib.dir/VoiceRecorderDialog.cpp.o ../../mumble/CMakeFiles/mumble_client_object_lib.dir/WebFetch.cpp.o ../../mumble/CMakeFiles/mumble_client_object_lib.dir/XMLTools.cpp.o ../../mumble/CMakeFiles/mumble_client_object_lib.dir/widgets/CompletablePage.cpp.o ../../mumble/CMakeFiles/mumble_client_object_lib.dir/widgets/MUComboBox.cpp.o ../../mumble/CMakeFiles/mumble_client_object_lib.dir/widgets/MultiStyleWidgetWrapper.cpp.o ../../mumble/CMakeFiles/mumble_client_object_lib.dir/widgets/RichTextItemDelegate.cpp.o ../../mumble/CMakeFiles/mumble_client_object_lib.dir/widgets/SearchDialogItemDelegate.cpp.o ../../mumble/CMakeFiles/mumble_client_object_lib.dir/widgets/SearchDialogTree.cpp.o ../../mumble/CMakeFiles/mumble_client_object_lib.dir/__/ACL.cpp.o ../../mumble/CMakeFiles/mumble_client_object_lib.dir/__/Channel.cpp.o ../../mumble/CMakeFiles/mumble_client_object_lib.dir/__/ChannelListenerManager.cpp.o ../../mumble/CMakeFiles/mumble_client_object_lib.dir/__/Connection.cpp.o ../../mumble/CMakeFiles/mumble_client_object_lib.dir/__/Group.cpp.o ../../mumble/CMakeFiles/mumble_client_object_lib.dir/__/User.cpp.o ../../mumble/CMakeFiles/mumble_client_object_lib.dir/__/__/3rdparty/smallft/smallft.cpp.o ../../mumble/CMakeFiles/mumble_client_object_lib.dir/SharedMemory_unix.cpp.o ../../mumble/CMakeFiles/mumble_client_object_lib.dir/GlobalShortcut_unix.cpp.o ../../mumble/CMakeFiles/mumble_client_object_lib.dir/Log_unix.cpp.o ../../mumble/CMakeFiles/mumble_client_object_lib.dir/os_unix.cpp.o ../../mumble/CMakeFiles/mumble_client_object_lib.dir/TextToSpeech_unix.cpp.o ../../mumble/CMakeFiles/mumble_client_object_lib.dir/mumble_client_object_lib_autogen/EWIEGA46WW/qrc_mumble.cpp.o ../../mumble/CMakeFiles/mumble_client_object_lib.dir/mumble_client_object_lib_autogen/2IKLLRAJFH/qrc_mumble_flags_0.cpp.o ../../mumble/CMakeFiles/mumble_client_object_lib.dir/mumble_client_object_lib_autogen/6RJHKKPRHE/qrc_DefaultTheme.cpp.o -o ../../../tests/TestSettingsJSONSerialization  /usr/lib64/libQt5Test.so.5.15.3 /usr/lib64/libPocoXML.so.82 /usr/lib64/libexpat.so /usr/lib64/libPocoZip.so.82 /usr/lib64/libPocoFoundation.so.82 /usr/lib64/libpcre.so /usr/lib64/libz.so -lpthread -lrt /usr/lib64/libsndfile.so ../../libshared.a /usr/lib64/libprotobuf.so /usr/lib64/libssl.so /usr/lib64/libcrypto.so /usr/lib64/libQt5Network.so.5.15.3 /usr/lib64/libQt5Xml.so.5.15.3 ../../tracy/libTracyClient.a -ldl /usr/lib64/libQt5Concurrent.so.5.15.3 /usr/lib64/libQt5Sql.so.5.15.3 /usr/lib64/libQt5Svg.so.5.15.3 /usr/lib64/libQt5Widgets.so.5.15.3 /usr/lib64/libQt5Gui.so.5.15.3 /usr/lib64/librt.a /usr/lib64/libXext.so /usr/lib64/libX11.so /usr/lib64/libspeex.so /usr/lib64/libspeexdsp.so ../../mumble/rnnoise/librnnoise.a /usr/lib64/libQt5Core.so.5.15.3
during IPA pass: icf
lto1: internal compiler error: Segmentation fault
0x16bd85b internal_error(char const*, ...)
        ???:0
0x15b8f53 ipa_icf::sem_variable::equals(ipa_icf::sem_item*, hash_map<symtab_node*, ipa_icf::sem_item*, simple_hashmap_traits<default_hash_traits<symtab_node*>, ipa_icf::sem_item*> >&)
        ???:0
0x15b9f67 ipa_icf::sem_item_optimizer::subdivide_classes_by_equality(bool)
        ???:0
0x15c0683 ipa_icf::sem_item_optimizer::execute()
        ???:0
0x15c1d6f ipa_icf::pass_ipa_icf::execute(function*)
        ???:0
Please submit a full bug report, with preprocessed source (by using -freport-bug).
Please include the complete backtrace with any bug report.
See <https://bugs.gentoo.org/> for instructions.
lto-wrapper: fatal error: /usr/bin/c++ returned 1 exit status
compilation terminated.
/usr/lib/gcc/aarch64-unknown-linux-gnu/12.1.0/../../../../aarch64-unknown-linux-gnu/bin/ld: error: lto-wrapper failed
collect2: error: ld returned 1 exit status
Comment 2 Sam James archtester Gentoo Infrastructure gentoo-dev Security 2022-05-13 05:15:49 UTC 
So far, got it down to...

```
$ /usr/bin/c++ -freport-bug -flto=99 -o /dev/null -O2 -fsanitize=undefined -O3 -DNDEBUG -Wl,-z,relro -Wl,-z,now /root/mumble/build/src/tests/TestSettingsJSONSerialization/CMakeFiles/TestSettingsJSONSerialization.dir/TestSettingsJSONSerialization.cpp.o /root/mumble/build/src/tests/TestSettingsJSONSerialization/../../mumble/CMakeFiles/mumble_client_object_lib.dir/JSONSerialization.cpp.o
during IPA pass: icf
lto1: internal compiler error: Segmentation fault
0x16bd85b internal_error(char const*, ...)
        ???:0
0x15b8f53 ipa_icf::sem_variable::equals(ipa_icf::sem_item*, hash_map<symtab_node*, ipa_icf::sem_item*, simple_hashmap_traits<default_hash_traits<symtab_node*>, ipa_icf::sem_item*> >&)
        ???:0
0x15b9f67 ipa_icf::sem_item_optimizer::subdivide_classes_by_equality(bool)
        ???:0
0x15c0683 ipa_icf::sem_item_optimizer::execute()
        ???:0
0x15c1d6f ipa_icf::pass_ipa_icf::execute(function*)
        ???:0
Please submit a full bug report, with preprocessed source.
Please include the complete backtrace with any bug report.
See <https://bugs.gentoo.org/> for instructions.
lto-wrapper: fatal error: /usr/bin/c++ returned 1 exit status
compilation terminated.
/usr/lib/gcc/aarch64-unknown-linux-gnu/12.1.0/../../../../aarch64-unknown-linux-gnu/bin/ld: error: lto-wrapper failed
collect2: error: ld returned 1 exit status
```
Comment 3 Sam James archtester Gentoo Infrastructure gentoo-dev Security 2022-05-13 06:00:39 UTC 
Better bt:
```
0xb13af3 crash_signal
        /usr/src/debug/sys-devel/gcc-12.1.0/gcc-12.1.0/gcc/toplev.cc:322
0xdc3e64 varpool_node::get_constructor()
        /usr/src/debug/sys-devel/gcc-12.1.0/gcc-12.1.0/gcc/varpool.cc:300
0x15b8f53 ipa_icf::sem_variable::equals(ipa_icf::sem_item*, hash_map<symtab_node*, ipa_icf::sem_item*, simple_hashmap_traits<default_hash_traits<symtab_node*>, ipa_icf::sem_item*> >&)
        /usr/src/debug/sys-devel/gcc-12.1.0/gcc-12.1.0/gcc/ipa-icf.cc:1695
0x15b9f67 ipa_icf::sem_item_optimizer::subdivide_classes_by_equality(bool)
        /usr/src/debug/sys-devel/gcc-12.1.0/gcc-12.1.0/gcc/ipa-icf.cc:2732
0x15c0683 ipa_icf::sem_item_optimizer::execute()
        /usr/src/debug/sys-devel/gcc-12.1.0/gcc-12.1.0/gcc/ipa-icf.cc:2464
0x15c1d6f ipa_icf_driver
        /usr/src/debug/sys-devel/gcc-12.1.0/gcc-12.1.0/gcc/ipa-icf.cc:3600
0x15c1d6f ipa_icf::pass_ipa_icf::execute(function*)
        /usr/src/debug/sys-devel/gcc-12.1.0/gcc-12.1.0/gcc/ipa-icf.cc:3647
```
Comment 4 Sam James archtester Gentoo Infrastructure gentoo-dev Security 2022-05-16 08:02:08 UTC 
Still need to get the preprocessed versions (even if huge) uploaded, but here's the cmake args I passed:

```
git clone ...
git submodule update --init --recursive
mkdir -p build && cd build
cmake .. -Dzeroconf=off -Dice=off -Dtests=off -Dserver=off -Dalsa=off -Dbundled-json=off -Dbundled-opus=off -Dbundled-speex=off -Dcoreaudio=off -Dcrash-report=off -Ddbus=off -Dgkey=off -Djackaudio=off -Dmanual-plugin=off -Doss=off -Doverlay=off -Doverlay-xcompile=off -Dpipewire=off -Dplugins=off -Dportaudio=off -Dpulseaudio=off -Dqssldiffiehellmanparameters=off -Drnnoise=on -Dspeechd=off -Dtranslations=off -Dupdate=off -Dwarnings-as-errors=off -Dwasapi=off -Dxboxinput=off -Dxinput2=off -Dlto=on -Dclient=on -Dserver=off -Dtests=on
make -j$(nproc)
```

(it didn't happen by default.)