https://gcc.gnu.org/bugzilla/show_bug.cgi?id=59171
--- Comment #5 from Jonathan Wakely <redi at gcc dot gnu.org> --- (In reply to Jonathan Wakely from comment #4) > In the general case we can't print the correct value, because we may not be > able to increment the 'current' member to point to the object that would > result from dereferencing the reverse_iterator. The code for ++current might > not be present in the executable. Oops, I meant decrement, and --current of course!