https://ci.chromium.org/buildbot/chromium.clang/UBSanVptr%20Linux/12898
https://logs.chromium.org/v/?s=chromium%2Fbb%2Fchromium.clang%2FUBSanVptr_Linux%2F12898%2F%2B%2Frecipes%2Fsteps%2Fcompile%2F0%2Fstdout

FAILED: blink_platform_unittests 
python "../../build/toolchain/gcc_link_wrapper.py" --output="./blink_platform_unittests" -- ../../third_party/llvm-build/Release+Asserts/bin/clang++ -Wl,--fatal-warnings -fPIC -Wl,-z,noexecstack -Wl,-z,now -Wl,-z,relro -fuse-ld=lld -Wl,--color-diagnostics -m64 -Werror -Wl,-O2 -Wl,--gc-sections -nostdlib++ --sysroot=../../build/linux/debian_sid_amd64-sysroot -L../../build/linux/debian_sid_amd64-sysroot/usr/local/lib/x86_64-linux-gnu -Wl,-rpath-link=../../build/linux/debian_sid_amd64-sysroot/usr/local/lib/x86_64-linux-gnu -L../../build/linux/debian_sid_amd64-sysroot/lib/x86_64-linux-gnu -Wl,-rpath-link=../../build/linux/debian_sid_amd64-sysroot/lib/x86_64-linux-gnu -L../../build/linux/debian_sid_amd64-sysroot/usr/lib/x86_64-linux-gnu -Wl,-rpath-link=../../build/linux/debian_sid_amd64-sysroot/usr/lib/x86_64-linux-gnu -fsanitize=vptr -rdynamic -Wl,-rpath-link=. -Wl,--disable-new-dtags -Wl,-rpath=\$ORIGIN/. -Wl,-rpath-link=. -Wl,-u_sanitizer_options_link_helper -fsanitize=vptr -o "./blink_platform_unittests" -Wl,--start-group @"./blink_platform_unittests.rsp" ./libc++.so -Wl,--end-group   -ldl -lpthread -lrt -lgmodule-2.0 -lgobject-2.0 -lgthread-2.0 -lglib-2.0 -lnss3 -lnssutil3 -lsmime3 -lplds4 -lplc4 -lnspr4 -lexpat -lX11 -lX11-xcb -lxcb -lXcomposite -lXcursor -lXdamage -lXext -lXfixes -lXi -lXrender -lXtst -lXrandr -lresolv -lgio-2.0 -lpci -lXss -lasound -lm -lz -lpangocairo-1.0 -lpango-1.0 -lcairo -ldbus-1 
/b/c/b/UBSanVptr_Linux/src/out/Release/../../third_party/llvm-build/Release+Asserts/bin/ld.lld: error: undefined symbol: typeinfo for ui::ContextProviderCommandBuffer
>>> referenced by video_frame_submitter.cc
>>>               platform/video_frame_submitter.o:(.data..L__unnamed_5+0x18) in archive obj/third_party/blink/renderer/platform/libblink_platform.a
/b/c/b/UBSanVptr_Linux/src/out/Release/../../third_party/llvm-build/Release+Asserts/bin/ld.lld: error: undefined symbol: typeinfo for ui::ContextProviderCommandBuffer
>>> referenced by video_frame_submitter.cc
>>>               platform/video_frame_submitter.o:(.data..L__unnamed_92+0x18) in archive obj/third_party/blink/renderer/platform/libblink_platform.a
/b/c/b/UBSanVptr_Linux/src/out/Release/../../third_party/llvm-build/Release+Asserts/bin/ld.lld: error: undefined symbol: typeinfo for ui::ContextProviderCommandBuffer
>>> referenced by video_frame_submitter.cc
>>>               platform/video_frame_submitter.o:(.data..L__unnamed_122+0x18) in archive obj/third_party/blink/renderer/platform/libblink_platform.a
/b/c/b/UBSanVptr_Linux/src/out/Release/../../third_party/llvm-build/Release+Asserts/bin/ld.lld: error: undefined symbol: typeinfo for ui::ContextProviderCommandBuffer
>>> referenced by video_frame_submitter.cc
>>>               platform/video_frame_submitter.o:(.data..L__unnamed_8+0x18) in archive obj/third_party/blink/renderer/platform/libblink_platform.a
clang: error: linker command failed with exit code 1 (use -v to see invocation)