[Webkit-unassigned] [Bug 185847] New: [GTK][WPE] Error: unknown pseudo-op: `.lojg'

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=185847

            Bug ID: 185847
           Summary: [GTK][WPE] Error: unknown pseudo-op: `.lojg'
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebKit Gtk
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: mcatanzaro at igalia.com
                CC: annulen at yandex.ru, bugs-noreply at webkitgtk.org,
                    utatane.tea at gmail.com

I started noticing these "unknown pseudo-op" errors a few months ago, just never reported them until now:

[2011/3135] Building CXX object Source/WebCore/CMakeFiles/WebCore.dir/__/__/DerivedSources/WebCore/unified-sources/UnifiedSource212.cpp.o
    FAILED: Source/WebCore/CMakeFiles/WebCore.dir/__/__/DerivedSources/WebCore/unified-sources/UnifiedSource212.cpp.o 
    /usr/bin/c++  -DBUILDING_GTK__=1 -DBUILDING_WEBKIT -DBUILDING_WITH_CMAKE=1 -DBUILDING_WebCore -DGETTEXT_PACKAGE=\"WebKit2GTK-4.0\" -DHAVE_CONFIG_H=1 -DJSC_GLIB_API_ENABLED -DSTATICALLY_LINKED_WITH_PAL=1 -DWEBKITGTK_API_VERSION_STRING=\"4.0\" -I. -I../Source/WebCore -I../Source/WebCore/Modules/airplay -I../Source/WebCore/Modules/beacon -I../Source/WebCore/Modules/applepay -I../Source/WebCore/Modules/applepay/paymentrequest -I../Source/WebCore/Modules/cache -I../Source/WebCore/Modules/credentialmanagement -I../Source/WebCore/Modules/encryptedmedia -I../Source/WebCore/Modules/encryptedmedia/legacy -I../Source/WebCore/Modules/entriesapi -I../Source/WebCore/Modules/fetch -I../Source/WebCore/Modules/geolocation -I../Source/WebCore/Modules/indexeddb -I../Source/WebCore/Modules/indexeddb/client -I../Source/WebCore/Modules/indexeddb/server -I../Source/WebCore/Modules/indexeddb/shared -I../Source/WebCore/Modules/mediacapabilities -I../Source/WebCore/Modules/mediacontrols -I../Source/WebCore/Modules/mediasession -I../Source/WebCore/Modules/mediasource -I../Source/WebCore/Modules/mediastream -I../Source/WebCore/Modules/navigatorcontentutils -I../Source/WebCore/Modules/notifications -I../Source/WebCore/Modules/paymentrequest -I../Source/WebCore/Modules/plugins -I../Source/WebCore/Modules/quota -I../Source/WebCore/Modules/speech -I../Source/WebCore/Modules/streams -I../Source/WebCore/Modules/webaudio -I../Source/WebCore/Modules/webauthn -I../Source/WebCore/Modules/webdatabase -I../Source/WebCore/Modules/webdriver -I../Source/WebCore/Modules/websockets -I../Source/WebCore/Modules/webvr -I../Source/WebCore/accessibility -I../Source/WebCore/animation -I../Source/WebCore/bindings -I../Source/WebCore/bindings/js -I../Source/WebCore/bridge -I../Source/WebCore/bridge/c -I../Source/WebCore/bridge/jsc -I../Source/WebCore/contentextensions -I../Source/WebCore/crypto -I../Source/WebCore/crypto/algorithms -I../Source/WebCore/crypto/keys -I../Source/WebCore/crypto/parameters -I../Source/WebCore/css -I../Source/WebCore/css/parser -I../Source/WebCore/cssjit -I../Source/WebCore/dom -I../Source/WebCore/dom/default -I../Source/WebCore/dom/messageports -I../Source/WebCore/domjit -I../Source/WebCore/editing -I../Source/WebCore/fileapi -I../Source/WebCore/history -I../Source/WebCore/html -I../Source/WebCore/html/canvas -I../Source/WebCore/html/forms -I../Source/WebCore/html/parser -I../Source/WebCore/html/shadow -I../Source/WebCore/html/track -I../Source/WebCore/inspector -I../Source/WebCore/inspector/agents -I../Source/WebCore/inspector/agents/page -I../Source/WebCore/inspector/agents/worker -I../Source/WebCore/loader -I../Source/WebCore/loader/appcache -I../Source/WebCore/loader/archive -I../Source/WebCore/loader/archive/mhtml -I../Source/WebCore/loader/cache -I../Source/WebCore/loader/icon -I../Source/WebCore/mathml -I../Source/WebCore/page -I../Source/WebCore/page/animation -I../Source/WebCore/page/csp -I../Source/WebCore/page/scrolling -I../Source/WebCore/platform -I../Source/WebCore/platform/animation -I../Source/WebCore/platform/audio -I../Source/WebCore/platform/crypto -I../Source/WebCore/platform/encryptedmedia -I../Source/WebCore/platform/gamepad -I../Source/WebCore/platform/graphics -I../Source/WebCore/platform/graphics/cpu/arm -I../Source/WebCore/platform/graphics/cpu/arm/filters -I../Source/WebCore/platform/graphics/displaylists -I../Source/WebCore/platform/graphics/filters -I../Source/WebCore/platform/graphics/harfbuzz -I../Source/WebCore/platform/graphics/harfbuzz/ng -I../Source/WebCore/platform/graphics/iso -I../Source/WebCore/platform/graphics/opentype -I../Source/WebCore/platform/graphics/transforms -I../Source/WebCore/platform/mediastream -I../Source/WebCore/platform/mediastream/libwebrtc -I../Source/WebCore/platform/mock -I../Source/WebCore/platform/mock/mediasource -I../Source/WebCore/platform/network -I../Source/WebCore/platform/sql -I../Source/WebCore/platform/text -I../Source/WebCore/platform/text/icu -I../Source/WebCore/platform/vr -I../Source/WebCore/plugins -I../Source/WebCore/rendering -I../Source/WebCore/rendering/line -I../Source/WebCore/rendering/mathml -I../Source/WebCore/rendering/shapes -I../Source/WebCore/rendering/style -I../Source/WebCore/rendering/svg -I../Source/WebCore/rendering/updating -I../Source/WebCore/replay -I../Source/WebCore/storage -I../Source/WebCore/style -I../Source/WebCore/svg -I../Source/WebCore/svg/animation -I../Source/WebCore/svg/graphics -I../Source/WebCore/svg/graphics/filters -I../Source/WebCore/svg/properties -I../Source/WebCore/websockets -I../Source/WebCore/workers -I../Source/WebCore/workers/service -I../Source/WebCore/workers/service/context -I../Source/WebCore/workers/service/server -I../Source/WebCore/xml -I../Source/WebCore/xml/parser -IDerivedSources/WebCore -IDerivedSources/ForwardingHeaders/ANGLE -I../Source/WebCore/platform/graphics/gpu -I../Source/ThirdParty/xdgmime/src -I../Source/WebCore/platform/graphics/cairo -I../Source/WebCore/platform/graphics/freetype -I../Source/WebCore/platform/graphics/gstreamer -I../Source/WebCore/platform/graphics/gstreamer/mse -I../Source/WebCore/platform/graphics/gstreamer/eme -I../Source/WebCore/platform/audio/gstreamer -I../Source/WebCore/platform/image-decoders -I../Source/WebCore/platform/image-decoders/bmp -I../Source/WebCore/platform/image-decoders/gif -I../Source/WebCore/platform/image-decoders/ico -I../Source/WebCore/platform/image-decoders/jpeg -I../Source/WebCore/platform/image-decoders/png -I../Source/WebCore/platform/image-decoders/webp -I../Source/WebCore/platform/graphics/texmap -I../Source/WebCore/page/scrolling/coordinatedgraphics -I../Source/WebCore/platform/graphics/texmap/coordinated -I../Source/WebCore/platform/graphics/nicosia -I../Source/WebCore/platform/graphics/nicosia/cairo -I../Source/ThirdParty/ANGLE -I../Source/ThirdParty/ANGLE/include/KHR -I../Source/WebCore/accessibility/atk -I../Source/WebCore/editing/atk -I../Source/WebCore/page/gtk -I../Source/WebCore/platform/geoclue -I../Source/WebCore/platform/gtk -I../Source/WebCore/platform/graphics/egl -I../Source/WebCore/platform/graphics/glx -I../Source/WebCore/platform/graphics/gtk -I../Source/WebCore/platform/graphics/opengl -I../Source/WebCore/platform/graphics/wayland -I../Source/WebCore/platform/graphics/x11 -I../Source/WebCore/platform/mediastream/gtk -I../Source/WebCore/platform/network/gtk -I../Source/WebCore/platform/network/soup -I../Source/WebCore/platform/text/gtk -I../Source/WebCore/bindings/gobject -isystem /usr/include/libxml2 -isystem /usr/include/cairo -isystem /usr/include/freetype2/freetype -isystem /usr/include/freetype2 -isystem /usr/include/harfbuzz -isystem /usr/include/gstreamer-1.0 -isystem /usr/include/glib-2.0 -isystem /usr/lib/x86_64-linux-gnu/glib-2.0/include -isystem /usr/lib/x86_64-linux-gnu/gstreamer-1.0/include -isystem /usr/include/atk-1.0 -isystem /usr/include/enchant-2 -isystem /usr/include/gio-unix-2.0 -isystem /usr/include/libsecret-1 -isystem /usr/include/libsoup-2.4 -IDerivedSources/ForwardingHeaders -I../Source/bmalloc -IDerivedSources -I../Source/ThirdParty -fdiagnostics-color=always -Wno-expansion-to-defined -Wno-noexcept-type -Wno-maybe-uninitialized -Wwrite-strings -Wundef -Wpointer-arith -Wmissing-format-attribute -Wformat-security -Wcast-align -Wextra -Wall  -fno-strict-aliasing -fno-exceptions -fno-rtti -std=c++17 -O2 -g -DNDEBUG -fPIC -MD -MT Source/WebCore/CMakeFiles/WebCore.dir/__/__/DerivedSources/WebCore/unified-sources/UnifiedSource212.cpp.o -MF Source/WebCore/CMakeFiles/WebCore.dir/__/__/DerivedSources/WebCore/unified-sources/UnifiedSource212.cpp.o.d -o Source/WebCore/CMakeFiles/WebCore.dir/__/__/DerivedSources/WebCore/unified-sources/UnifiedSource212.cpp.o -c DerivedSources/WebCore/unified-sources/UnifiedSource212.cpp
    /tmp/ccglFOEH.s: Assembler messages:
    /tmp/ccglFOEH.s:1468434: Error: unknown pseudo-op: `.lojg'

I'm not sure, but I suspect a toolchain problem, so I guess if you're not seeing them on Debian yet, you probably will by this time next year. The problem is *not deterministic*. I can make the build eventually succeed if I just try rebuilding again every time I see this error. I have no clue what's going on, but a naive guess would be the compiler generating invalid assembly code either simply randomly or perhaps when under memory pressure. That sounds really weird, but I don't have other guesses.

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