[Bug c++/53528] Support C++11 generalized attributes

[joseph at codesourcery dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53528

--- Comment #1 from joseph at codesourcery dot com <joseph at codesourcery dot com> 2012-05-30 13:47:38 UTC ---
Note that the syntactic binding of C++11 attributes is different from that 
of GNU attributes in various cases, so the front end will need to track 
separately what attributes of each syntax have been used in various 
places.