The following invalid code snippet triggers an ICE on mainline:
================================================================
template<typename... T> struct A
{
template<T> struct B {};
};
A<int>::B<0> b;
================================================================
bug.cc:3: error: parameter packs not expanded with `...':
bug.cc:3: note: 'T'
bug.cc: In instantiation of 'A<int>':
bug.cc:6: instantiated from here
bug.cc:3: internal compiler error: Segmentation fault
Please submit a full bug report, [etc.]
The ICE appeared between 2007-11-30 and 2007-12-11.
--
Summary: [4.3 regression] ICE with invalid template parameter in
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=34753
