[Bug 227698] www/iridium, www/qt5-webengine: clang 6.0 crashes during build

[bugzilla-noreply at freebsd.org]

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=227698

            Bug ID: 227698
           Summary: www/iridium, www/qt5-webengine: clang 6.0 crashes
                    during build
           Product: Ports & Packages
           Version: Latest
          Hardware: Any
                OS: Any
            Status: New
          Keywords: needs-qa
          Severity: Affects Only Me
          Priority: ---
         Component: Individual Port(s)
          Assignee: ports-bugs at FreeBSD.org
          Reporter: jbeich at FreeBSD.org
                CC: chromium at FreeBSD.org, kde at FreeBSD.org
            Blocks: 224669
                CC: chromium at FreeBSD.org, kde at FreeBSD.org

Found via devel/llvm60 (bug 227686) but base Clang crashes as well.

cc -B/usr/local/bin -MMD -MF
obj/third_party/libvpx/bundled_libvpx/vp9_encodemb.o.d
-DV8_DEPRECATION_WARNINGS -DENABLE_PLUGINS=1 -DUSE_AURA=1 -DUSE_GLIB=1
-DUSE_NSS_CERTS=1 -DUSE_X11=1 -DNO_TCMALLOC -DDISABLE_NACL
-DENABLE_TASK_MANAGER=1 -DENABLE_THEMES=1 -DUSE_PROPRIETARY_CODECS
-DFULL_SAFE_BROWSING -DSAFE_BROWSING_CSD -DSAFE_BROWSING_DB_LOCAL
-DCHROMIUM_BUILD -DFIELDTRIAL_TESTING_ENABLED -DTOOLKIT_QT
-DCR_CLANG_REVISION=284979-2 -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE
-D_LARGEFILE64_SOURCE -DNDEBUG -DNVALGRIND -DDYNAMIC_ANNOTATIONS_ENABLED=0
-Igen -I../../../../qtwebengine-opensource-src-5.9.4/src/3rdparty/chromium
-I../../../../qtwebengine-opensource-src-5.9.4/src/3rdparty/chromium/third_party/libvpx/source/config
-I../../../../qtwebengine-opensource-src-5.9.4/src/3rdparty/chromium/third_party/libvpx/source/config/linux/ia32
-I../../../../qtwebengine-opensource-src-5.9.4/src/3rdparty/chromium/third_party/libvpx/source/libvpx
-Igen/third_party/libvpx
-I../../../../qtwebengine-opensource-src-5.9.4/src/3rdparty/chromium/third_party/libvpx/source/libvpx
-fno-strict-aliasing --param=ssp-buffer-size=4 -fstack-protector
-Wno-unknown-attributes -Wno-unknown-warning-option -funwind-tables -fPIC -pipe
-fcolor-diagnostics
-fdebug-prefix-map=/wrkdirs/usr/ports/www/qt5-webengine/work/qtwebengine-opensource-src-5.9.4/src/3rdparty/chromium=.
-pthread -m32 -msse2 -mfpmath=sse -mmmx -momit-leaf-frame-pointer
-mstack-alignment=16 -mstackrealign -O2 -fno-ident -fdata-sections
-ffunction-sections -g0 -fvisibility=hidden -Wheader-hygiene
-Wstring-conversion -Wall -Wno-unused-variable -Wno-missing-field-initializers
-Wno-unused-parameter -Wno-c++11-narrowing -Wno-covered-switch-default
-Wno-deprecated-register -Wno-unneeded-internal-declaration
-Wno-inconsistent-missing-override -Wno-shift-negative-value
-Wno-undefined-var-template -Wno-nonportable-include-path -Wno-conversion
-Wno-parentheses-equality -Wno-unused-function  -c
../../../../qtwebengine-opensource-src-5.9.4/src/3rdparty/chromium/third_party/libvpx/source/libvpx/vp9/encoder/vp9_encodemb.c
-o obj/third_party/libvpx/bundled_libvpx/vp9_encodemb.o
Assertion failed: ((I.atEnd() || std::next(I) == def_instr_end()) &&
"getVRegDef assumes a single definition or no definition"), function
getVRegDef, file /usr/src/contrib/llvm/lib/CodeGen/MachineRegisterInfo.cpp,
line 366.
Abort trap


Referenced Bugs:

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=224669
[Bug 224669] [exp-run] Against projects/clang600-import branch
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