https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88263
--- Comment #9 from Csaba Ráduly <csaba_22 at yahoo dot co.uk> --- Confirmed. The original logger.cc (from which logger2.cc was derived) is now compiled successfully.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88263
--- Comment #9 from Csaba Ráduly <csaba_22 at yahoo dot co.uk> --- Confirmed. The original logger.cc (from which logger2.cc was derived) is now compiled successfully.