Noticed on or before: https://chromium.googlesource.com/chromium/src/+/8184813eedd001e0397fd2dfce50f080cf3568d3

USE flags include "jumbo"

Build log excerpt:
armv7a-cros-linux-gnueabi-clang++ -B/usr/x86_64-pc-linux-gnu/armv7a-cros-linux-gnueabi/binutils-bin/2.27.0-gold -MMD -MF obj/ui/views/views/views_jumbo_3.o.d -DVIEWS_IMPLEMENTATION -DV8_DEPRECATION_WARNINGS -DUSE_UDEV -DUSE_AURA=1 -DUSE_NSS_CERTS=1 -DUSE_OZONE=1 -DFULL_SAFE_BROWSING -DSAFE_BROWSING_CSD -DSAFE_BROWSING_DB_LOCAL -DCHROMIUM_BUILD -DFIELDTRIAL_TESTING_ENABLED -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -DCR_CLANG_REVISION=\"332335-1\" -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -DOS_CHROMEOS -DCR_SYSROOT_HASH=b2165ab47ab9c4cc780db53ace1b08607d68ae31 -DNDEBUG -DNVALGRIND -DDYNAMIC_ANNOTATIONS_ENABLED=0 -DTOOLKIT_VIEWS=1 -DWEBP_EXTERN=extern -DUSE_EGL -DU_USING_ICU_NAMESPACE=0 -DU_ENABLE_DYLOAD=0 -DU_STATIC_IMPLEMENTATION -DICU_UTIL_DATA_IMPL=ICU_UTIL_DATA_FILE -DUCHAR_TYPE=uint16_t -DGOOGLE_PROTOBUF_NO_RTTI -DGOOGLE_PROTOBUF_NO_STATIC_INITIALIZER -DHAVE_PTHREAD -DSK_IGNORE_LINEONLY_AA_CONVEX_PATH_OPTS -DSK_HAS_PNG_LIBRARY -DSK_HAS_WEBP_LIBRARY -DSK_HAS_JPEG_LIBRARY -DSK_SUPPORT_GPU=1 -DSK_GPU_WORKAROUNDS_HEADER=\"gpu/config/gpu_driver_bug_workaround_autogen.h\" -DLEVELDB_PLATFORM_CHROMIUM=1 -DMESA_EGL_NO_X11_HEADERS -I. -I../../../../../../../home/build-user/chrome_root/src -Igen -I../../../../../../../home/build-user/chrome_root/src/third_party/libwebp/src -I../../../../../../../home/build-user/chrome_root/src/third_party/khronos -I../../../../../../../home/build-user/chrome_root/src/gpu -I../../../../../../../home/build-user/chrome_root/src/third_party/libyuv/include -I../../../../../../../home/build-user/chrome_root/src/third_party/ced/src -I../../../../../../../home/build-user/chrome_root/src/third_party/icu/source/common -I../../../../../../../home/build-user/chrome_root/src/third_party/icu/source/i18n -I../../../../../../../home/build-user/chrome_root/src/third_party/protobuf/src -I../../../../../../../home/build-user/chrome_root/src/skia/config -I../../../../../../../home/build-user/chrome_root/src/skia/ext 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-fcolor-diagnostics -fmerge-all-constants -no-canonical-prefixes --target=arm-linux-gnueabihf -march=armv8-a+crc -mfloat-abi=hard -mtune=generic-armv7-a -mfpu=neon -mthumb -Wall -Wextra -Wimplicit-fallthrough -Wthread-safety -Wno-missing-field-initializers -Wno-unused-parameter -Wno-c++11-narrowing -Wno-covered-switch-default -Wno-unneeded-internal-declaration -Wno-undefined-var-template -Wno-nonportable-include-path -Wno-address-of-packed-member -Wno-unused-lambda-capture -Wno-user-defined-warnings -Wno-enum-compare-switch -Wno-null-pointer-arithmetic -Wno-ignored-pragma-optimize -O2 -fno-ident -fdata-sections -ffunction-sections -fno-omit-frame-pointer -g2 -gsplit-dwarf -ggnu-pubnames -fvisibility=hidden -Wheader-hygiene -Wstring-conversion -Wtautological-overlap-compare -std=gnu++14 -fno-exceptions -fno-rtti --sysroot=../../../../../../../build/kevin -fvisibility-inlines-hidden -pipe -march=armv8-a+crc -mtune=cortex-a57.cortex-a53 -mfpu=crypto-neon-fp-armv8 -mfloat-abi=hard -fno-split-dwarf-inlining -D__google_stl_debug_vector=1 -Wno-unknown-warning-option -stdlib=libc++  -c gen/ui/views/views_jumbo_3.cc -o obj/ui/views/views/views_jumbo_3.o
In file included from gen/ui/views/views_jumbo_3.cc:35:
./../../../../../../../home/build-user/chrome_root/src/ui/views/view_properties.cc:17:1: error: explicit specialization of 'GetProperty<views::BubbleDialogDelegateView *>' after instantiation
DEFINE_EXPORTED_UI_CLASS_PROPERTY_TYPE(VIEWS_EXPORT,
^
../../../../../../../home/build-user/chrome_root/src/ui/base/class_property.h:222:20: note: expanded from macro 'DEFINE_EXPORTED_UI_CLASS_PROPERTY_TYPE'
PropertyHandler::GetProperty(const ClassProperty<T>* property) const {     \
                   ^
./../../../../../../../home/build-user/chrome_root/src/ui/views/focus/focus_search.cc:189:26: note: implicit instantiation first required here
starting_view->GetProperty(kAnchoredDialogKey);
                         ^