make_dir_for_file()
Especially now that #46242 is on hold, the make_dir_for_file() part of it should be split out to this ticket. Introduce the function, and refactor fcmp to use it. All this should be trivial to port from #46242
Especially now that #46242 is on hold, the make_dir_for_file() part of it should be split out to this ticket. Introduce the function, and refactor fcmp to use it. All this should be trivial to port from #46242