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

[ext at sidvind dot com]

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

--- Comment #4 from David Sveningsson <ext at sidvind dot com> 2011-08-04 13:48:55 UTC ---
(In reply to comment #3)
> It doesn't make sense to require whitespace after a paren, that will likely
> break a lot of programs.

In this quite specific case? "__attribute((..))foo" makes no sense to me and I
am surprised it is even legal code.