[Bug c++/35331] New: [4.3/4.4 regression] ICE with invalid specialization of variadic template

[reichelt at gcc dot gnu dot org]

The following invalid code snippet triggers an ICE on mainline and 4.3 branch:

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

template<typename...T> struct A<T*>
{
  friend void foo();
};
====================================================

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:5: internal compiler error: tree check: expected record_type or
union_type or qual_union_type, have error_mark in
maybe_add_class_template_decl_list, at cp/class.c:2540
Please submit a full bug report, [etc.]


-- 
           Summary: [4.3/4.4 regression] ICE with invalid specialization of
                    variadic template
           Product: gcc
           Version: 4.4.0
            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=35331