https://cros-goldeneye.corp.google.com/chromeos/healthmonitoring/buildDetails?buildbucketId=8928569503554518448

verity-0.0.1-r109: SHAREDCXX	libdm-bht.so
verity-0.0.1-r109: AR		kernel/sha1.pie.o kernel/sha1_generic.pie.o kernel/crypto.pie.o kernel/md5.pie.o kernel/md5_generic.pie.o kernel/sha256_generic.pie.o -> kernel/libkernel.pie.a
verity-0.0.1-r109: AR		dm-bht-userspace.pic.o dm-bht.pic.o kernel/sha1.pic.o kernel/sha1_generic.pic.o kernel/crypto.pic.o kernel/md5.pic.o kernel/md5_generic.pic.o kernel/sha256_generic.pic.o -> libdm-bht.pic.a
verity-0.0.1-r109: LDCXX		verity-static
verity-0.0.1-r109: cp /build/amd64-generic/tmp/portage/chromeos-base/verity-0.0.1-r109/work/build/libdm-bht.pic.a /build/amd64-generic/tmp/portage/chromeos-base/verity-0.0.1-r109/work/build/libdm-bht.a || true
verity-0.0.1-r109: LDCXX		verity
verity-0.0.1-r109: LIB		libdm-bht.so
verity-0.0.1-r109: 	-----
verity-0.0.1-r109: /usr/x86_64-pc-linux-gnu/x86_64-cros-linux-gnu/binutils-bin/2.27.0/ld.gold.real: warning: Cannot export local symbol '_Unwind_RaiseException'
verity-0.0.1-r109: BIN		verity
verity-0.0.1-r109: 	-----
verity-0.0.1-r109: /usr/lib64/clang/8.0.0/lib/linux/libclang_rt.asan-x86_64.a(asan_linux.cc.o):function __asan::AsanDoesNotSupportStaticLinkage(): error: undefined reference to '_DYNAMIC'

Verity is built as a static so can't be linked with address sanitizer flags.