The following invalid code snippet triggers an ICE on mainline:
======================================
template<typename ...T> struct A
{
typedef typename T::X Y;
};
A<int> a;
======================================
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: in dependent_type_p, at cp/pt.c:14887
Please submit a full bug report, [etc.]
--
Summary: [4.3 regression] ICE on invalid use of typedef 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=32114
