[Bug c++/53531] New: <,,,,> accepted as template arguments for variadic template

[redi at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53531

             Bug #: 53531
           Summary: <,,,,> accepted as template arguments for variadic
                    template
    Classification: Unclassified
           Product: gcc
           Version: 4.8.0
            Status: UNCONFIRMED
          Keywords: accepts-invalid
          Severity: normal
          Priority: P3
         Component: c++
        AssignedTo: unassig...@gcc.gnu.org
        ReportedBy: r...@gcc.gnu.org


template <typename ...> struct S;

int i = S<,,,,>::undefined;