https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69302
--- Comment #2 from Alexander Kondratskiy <kholdstare0.0 at gmail dot com> --- Created attachment 37363 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=37363&action=edit Preprocessed source that results in error g++ -std=c++1y -c -Werror -Wall -Wextra preprocessed.cpp -o test.o