[Bug c++/48577] [C++0x] [4.6 Regression] "unexpected ast of kind unordered_expr" using isnan()

[redi at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48577

--- Comment #6 from Jonathan Wakely <redi at gcc dot gnu.org> 2011-04-12 
17:34:00 UTC ---
(In reply to comment #5)
> The problem is my 4_6 dates back to the day before the day fixed the issue ;)

aha :)