The following invalid code snippet triggers an ICE since GCC 3.4.0:
=====================================
template<int= =0> struct A {};
template<typename> struct B
{
A<> a;
A<> b;
};
=====================================
bug.cc:1: error: expected primary-expression before '=' token
bug.cc:6: internal compiler error: Segmentation fault
Please submit a full bug report, [etc.]
--
Summary: [4.0/4.1/4.2 regression] ICE with invalid default
template parameter
Product: gcc
Version: 4.2.0
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=28451
