[Bug other/82997] [8 regression] gcc.dg/cpp/sysmac1.c and gcc.dg/cpp/macsyntx.c fail starting with r254707

[dje at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82997

--- Comment #4 from David Edelsohn <dje at gcc dot gnu.org> ---
Andrey reports that this starts with r254707