If you faced libart quick related error in Ubuntu 16.04 then

You can try edit the file “art/build/Android.common_build.mk”

ART_HOST_CLANG := false
ifneq ($(WITHOUT_HOST_CLANG),true)
  # By default, host builds use clang for better warnings.
--     ART_HOST_CLANG := true
++     ART_HOST_CLANG := false
endif