[Bug c++/32126] New: [4.3 regression] ICE with invalid definition of variadic template

[reichelt at gcc dot gnu dot org]

The following invalid code snippet triggers an ICE on mainline:

========================================================
template<typename...> struct A;

template<typename...T> struct A<T>
{
  static int i;
};

A<char> a;
A<int> b;
========================================================

bug.cc:3: error: parameter packs not expanded with `...':
bug.cc:3: note:         'T'
bug.cc:4: error: parameter packs not expanded with `...':
bug.cc:4: note:         'T'
bug.cc: In instantiation of 'A<int>':
bug.cc:9:   instantiated from here
bug.cc:5: internal compiler error: in finish_member_declaration, at
cp/semantics.c:2270
Please submit a full bug report, [etc.]


-- 
           Summary: [4.3 regression] ICE with invalid definition of variadic
                    template
           Product: gcc
           Version: 4.3.0
            Status: UNCONFIRMED
          Keywords: ice-on-invalid-code, error-recovery, monitored
          Severity: normal
          Priority: P3
         Component: c++
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: reichelt at gcc dot gnu dot org


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32126