[Bug preprocessor/89380] Multiple items in brace not working on nested macro

[sch...@linux-m68k.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89380

--- Comment #4 from Andreas Schwab <sch...@linux-m68k.org> ---
You can do dirty things with hiding the comma behind a macro, but don't do this
at home, kids.