Re: preprocessor: Fix non-fn fn-like macro at EOF [PR97471]

[Jakub Jelinek via Gcc-patches]

On Mon, Oct 19, 2020 at 11:00:34AM -0400, Nathan Sidwell wrote:
> We inject EOF tokens between macro argument lists, but had
> confused/stale logic in the non-fn invocation.        Renamed the magic
> 'eof' token, as it's now only used for macro argument termination.
> Always rewind the non-OPEN_PAREN token.
> 
>         libcpp/
>         * internal.h (struct cpp_reader): Rename 'eof' field to 'endarg'.
>         * init.c (cpp_create_reader): Adjust.
>         * macro.c (collect_args): Use endarg for separator.  Always rewind
>         in the not-fn case.
>         gcc/testsuite/
>         * c-c++-common/cpp/pr97471.c: New.
> 
> pushing to trunk,

I think this regressed
FAIL: gcc.dg/cpp/endif.c (test for excess errors)

        Jakub