[Bug c/49975] warn on malformed __attribute((...))__

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

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49975

--- Comment #3 from Andreas Schwab <sch...@linux-m68k.org> 2011-08-04 13:45:13 
UTC ---
It doesn't make sense to require whitespace after a paren, that will likely
break a lot of programs.