On Wed, Nov 07, 2012 at 10:22:57AM -0500, Jason Merrill wrote: > >I thought about that. We'd need some machinery that would allow cpp to > >query what has been declared already. > > Or alternately, always treat them as user-defined in C++ mode and > have the front end decide to use the built-in interpretation if no > literal operator is declared.
Yeah, I think that would be best. Jakub