http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39728
--- Comment #3 from Jonathan Wakely <redi at gcc dot gnu.org> 2012-04-16 10:44:19 UTC --- (In reply to comment #1) > I think libstdc++ include pathes make the error message useless Manu has a patch for that in PR 52974 (In reply to comment #2) > * What is a "synthesized method"? Where this term comes from? Is this > something > that an average C++ programmer can understand? Every C++ programmer knows that the compiler implicitly defines special member functions, including the copy-assignment operator but I don't really like the terminology. C++ doesn't have methods, it has member functions, and the formal term in the standard is "implicitly-defined" not synthesized.