ninja: Entering directory `out/gn'
[1/5] COPY ../../libcxx/include/string include/c++/v1/string
[2/5] COPY ../../libcxx/include/__hash_table include/c++/v1/__hash_table
[3/5] COPY ../../libcxx/include/__functional/reference_wrapper.h include/c++/v1/__functional/reference_wrapper.h
[4/5] COPY ../../libcxx/include/__functional/boyer_moore_searcher.h include/c++/v1/__functional/boyer_moore_searcher.h
[5/5] COPY ../../libcxx/include/__type_traits/remove_cvref.h include/c++/v1/__type_traits/remove_cvref.h