https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103657
--- Comment #2 from cqwrteur <unlvsur at live dot com> --- D:\hg\fast_io\tests\0017.error>g++ -o error error.cc -Ofast -std=c++2b -s -march=native -I../../include -lntdll -fuse-ld=lld D:\hg\fast_io\tests\0017.error>error errc:no_such_file_or_directory clang++ -o error error.cc -Ofast -std=c++2b -s -march=native -I../../include -lntdll D:\hg\fast_io\tests\0017.error>error Looks like it is GNU ld linker's issue. Need to report there probably.