The following invalid code snippet triggers an ICE on mainline:
====================================
template<bool> struct A;
template<int> void foo()
{
A<__builtin_constant_p(.)> a;
}
====================================
bug.cc: In function 'void foo()':
bug.cc:5: internal compiler error: tree check: expected class 'type', have
'exceptional' (error_mark) in
any_template_arguments_need_structural_equality_p, at cp/pt.c:13258
Please submit a full bug report, [etc.]
--
Summary: [4.3 regression] ICE with invalid template argument
Product: gcc
Version: 4.3.0
Status: UNCONFIRMED
Keywords: ice-on-invalid-code, 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=30534
