[Bug preprocessor/55820] cpp: unterminated argument list invoking macro "BAR" for #include in macro

[pinskia at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55820

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> 2012-12-28 04:07:14 UTC ---
yes this code is undefined at compile time.  GCC used to reject #define in a
macro usage but it was decided we will accept that.  I can find the old bugs if
needed.