The following invalid code snippet causes an ICE since at least GCC 2.95.3:
=================================
template<typename> void foo();
template<typename T> struct A
{
friend void foo<>(typename T::X);
};
A<int> a;
=================================
bug.cc: In instantiation of 'A<int>':
bug.cc:8: instantiated from here
bug.cc:5: error: 'int' is not a class, struct, or union type
bug.cc:5: internal compiler error: tree check: expected function_type or
method_type, have error_mark in determine_specialization, at cp/pt.c:1396
Please submit a full bug report, [etc.]
Testing a patch.
--
Summary: ICE with invalid friend in template class
Product: gcc
Version: 4.2.0
Status: UNCONFIRMED
Keywords: ice-on-invalid-code, error-recovery, monitored
Severity: normal
Priority: P3
Component: c++
AssignedTo: reichelt at gcc dot gnu dot org
ReportedBy: reichelt at gcc dot gnu dot org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=28111