The following invalid code snippet triggers an ICE on mainline:
===================================================
struct A
{
template<typename... T> struct B;
};
template<typename... T> struct A::B<T*> {};
===================================================
bug.cc:6: error: parameter packs not expanded with `...':
bug.cc:6: note: 'T'
bug.cc:6: internal compiler error: tree check: expected class 'type', have
'exceptional' (error_mark) in cp_parser_class_head, at cp/parser.c:14654
Please submit a full bug report, [etc.]
--
Summary: [4.3 regression] ICE with invalid specialization 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=35242
