------- Comment #8 from jwakely dot gcc at gmail dot com 2010-06-02 17:09 ------- gcc 4.3 was released 18 months before the FCD, at that time the specification of result_of was quite different. Also, until the gcc 4.5.0 release std::result_of was based on the tr1::result_of code.
-- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44380
