The following invalid code snippet triggers an ICE since at least GCC 2.95.3:
==================================================
template<operator+> void foo();
void bar()
{
foo();
}
==================================================
bug.cc:1: error: expected identifier before 'operator'
bug.cc:1: error: declaration of 'operator+' as non-function
bug.cc: In function 'void bar()':
bug.cc:5: internal compiler error: in type_unification_real, at cp/pt.c:9533
Please submit a full bug report, [etc.]
--
Summary: ICE on invalid 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=27670