cobblepot-paladin failure:

https://cros-goldeneye.corp.google.com/chromeos/healthmonitoring/buildDetails?buildbucketId=8930006619610909520

octavious-paladin failure:

https://cros-goldeneye.corp.google.com/chromeos/healthmonitoring/buildDetails?buildbucketId=8930006532183049264

Both say:

/mnt/host/source/src/third_party/../aosp/toolchain/gcc/gcc-4.9/libsanitizer/asan/asan_linux.cc: In function 'bool __asan::AsanInterceptsSignal(int)':
/mnt/host/source/src/third_party/../aosp/toolchain/gcc/gcc-4.9/libsanitizer/asan/asan_linux.cc:107:20: error: 'SIGSEGV' was not declared in this scope
   return signum == SIGSEGV && flags()->handle_segv;