https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108742
--- Comment #6 from Jakub Jelinek <jakub at gcc dot gnu.org> --- (In reply to Michael Matz from comment #3) > (In reply to Jakub Jelinek from comment #2) > > Note, internally in standard excess precision, 4.2 seen by the lexer is > > actually > > EXCESS_PRECISION <double, 4.2L>, > > Then _that_ is the problem. The literal "4.2" simply is not a long double > literal "4.2L". 4.2 isn't 4.2L, because say typeof(4.2) is double, not long double as for typeof(4.2L), but with excess precision it has the same value, as mandated by the standards.
