message: Link statically against libc++abi
diff: @@ -47,6 +47,7 @@ if [ "$KOKORO_BUILD_ID" ]; then
  -DLIBCXX_ENABLE_RTTI=YES \
  -DLIBCXX_ENABLE_EXCEPTIONS=YES \
  -DLIBCXX_USE_COMPILER_RT=NO \
  + -DLIBCXX_ENABLE_STATIC_ABI_LIBRARY=YES \
  -DLIBCXXABI_USE_COMPILER_RT=NO \
  ../llvm_src
  