https://gcc.gnu.org/bugzilla/show_bug.cgi?id=54164
Marek Polacek <mpolacek at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |mpolacek at gcc dot gnu.org Resolution|--- |FIXED Status|UNCONFIRMED |RESOLVED --- Comment #1 from Marek Polacek <mpolacek at gcc dot gnu.org> --- Fixed in GCC 4.9.0. Now we say: 54164.C:6:25: error: expected nested-name-specifier before ‘base’ 6 | using type = typename base; |