clang should come with /usr/lib/clang/9.0.0/share/cfi_blacklist.txt
FAILED: obj/buildtools/third_party/libc++/libc++/condition_variable.o
../../../../../../../usr/bin/clang++ -MMD -MF obj/buildtools/third_party/libc++/libc++/condition_variable.o.d -D_LIBCPP_BUILDING_LIBRARY -D_LIBCPP_OVERRIDABLE_FUNC_VIS=__attribute__\(\(__visibility__\(\"default\"\)\)\) -DLIBCXX_BUILDING_LIBCXXABI -DUSE_UDEV -DUSE_AURA=1 -DUSE_GLIB=1 -DUSE_NSS_CERTS=1 -DUSE_X11=1 -DOFFICIAL_BUILD -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -DNO_UNWIND_TABLES -D_GNU_SOURCE -D_LIBCPP_ABI_UNSTABLE -D_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS -D_LIBCXXABI_DISABLE_VISIBILITY_ANNOTATIONS -D_LIBCPP_ENABLE_NODISCARD -DCR_LIBCXX_REVISION=361348 -DNDEBUG -DNVALGRIND -DDYNAMIC_ANNOTATIONS_ENABLED=0 -I../.. -Igen -fprofile-sample-use=../../chrome/android/profiles/afdo.prof -fno-strict-aliasing --param=ssp-buffer-size=4 -fstack-protector -fno-unwind-tables -fno-asynchronous-unwind-tables -fPIC -pthread -fcolor-diagnostics -fmerge-all-constants -fcrash-diagnostics-dir=../../tools/clang/crashreports -Xclang -mllvm -Xclang -instcombine-lower-dbg-declare=0 -flto=thin -fsplit-lto-unit -fwhole-program-vtables -fcomplete-member-pointers -m64 -march=x86-64 -no-canonical-prefixes -O2 -fno-ident -fdata-sections -ffunction-sections -fno-omit-frame-pointer -g0 -fsanitize=cfi-vcall -fsanitize-blacklist=../../tools/cfi/blacklist.txt -fsanitize=cfi-icall -fvisibility=hidden -Wheader-hygiene -Wstring-conversion -Wtautological-overlap-compare -fstrict-aliasing -fPIC -Wall -Wno-unused-variable -Wno-missing-field-initializers -Wno-unused-parameter -Wno-c++11-narrowing -Wno-unneeded-internal-declaration -Wno-undefined-var-template -std=c++14 -nostdinc++ -isystem../../buildtools/third_party/libc++/trunk/include -isystem../../buildtools/third_party/libc++abi/trunk/include -fvisibility-inlines-hidden -fexceptions -frtti -c ../../buildtools/third_party/libc++/trunk/src/condition_variable.cpp -o obj/buildtools/third_party/libc++/libc++/condition_variable.o
clang++: error: no such file or directory: '../../../../../../../usr/lib/clang/9.0.0/share/cfi_blacklist.txt'