http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53236
--- Comment #10 from Fernando Pelliccioni <fpelliccioni at gmail dot com> 2012-05-07 13:58:38 UTC --- (In reply to comment #9) > (In reply to comment #8) > [..] > > Here the corrected code with proper comments. > [..] > > auto yyy = d.get<int>(); // #ifndef WITH_USING_DECLARATION -> > > Compile-time error -> GCC is behaving Correctly!!! Base<int>::get<int>() > > is > > hidden! > > // #ifdef WITH_USING_DECLARATION -> No > > Compile-time error -> GCC is behaving incorrectly. Base<int>::get<int>() > > must > > be hidden. > > Its a mystery to me why get() should return an T2 when the return type is T, > but anyway: I cannot confirm your results for gcc 4.8.0 20120429 > (experimental). Here the second case is correctly rejected. T and T2 are the same type. It is the same, could be... return T(); I'm glad that is resolved in 4.8.0 I can't test it, I don't have that version. Thanks!