https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77822
--- Comment #9 from Andrew Pinski <pinskia at gcc dot gnu.org> --- do the following to remove the PCH: rm -rF ./obj/Release/emu.h.gch and then rebuild the preprocessed source.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77822
--- Comment #9 from Andrew Pinski <pinskia at gcc dot gnu.org> --- do the following to remove the PCH: rm -rF ./obj/Release/emu.h.gch and then rebuild the preprocessed source.