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

[seurer at gcc dot gnu.org]

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

            Bug ID: 82997
           Summary: [8 regression] gcc.dg/cpp/sysmac1.c and
                    gcc.dg/cpp/macsyntx.c fail starting with r254707
           Product: gcc
           Version: 8.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: other
          Assignee: unassigned at gcc dot gnu.org
          Reporter: seurer at gcc dot gnu.org
  Target Milestone: ---

These test cases are looking for the message

/home/seurer/gcc/gcc-test/gcc/testsuite/gcc.dg/cpp/macsyntx.c:54:6: warning:
ISO C99 requires at least one argument for the "..." in a variadic macro

and after this revision that message is no longer produced (at least for these
tests).