[Bug c++/49420] [C++0x] compiler segfault using result_of

[jarrydb at cse dot unsw.edu.au]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49420

--- Comment #2 from Jarryd Beck <jarrydb at cse dot unsw.edu.au> 2011-06-16 
22:55:44 UTC ---
That fixes it for me. Thanks.