On Mon, 2020-03-09 at 11:55 +0300, Nicholas Guriev wrote: > gcc/c-family/ChangeLog: > > PR pch/86674 > * c-pch.c (c_common_valid_pch): Use cpp_warning with CPP_W_INVALID_PCH > reason to fix -Werror=invalid-pch and -Wno-error=invalid-pch switches. THanks. This looks pretty reasonable, but I'm going to queue it for gcc-11. jeff >