The following valid code snippet triggers a segfault on mainline:
=============================
template<int> void foo()
{
__decltype(0 ?: 0) x;
}
=============================
bug.cc: In function 'void foo()':
bug.cc:3: internal compiler error: Segmentation fault
Please submit a full bug report, [etc.]
--
Summary: [4.3 regression] ICE applying __decltype to ternary
expression
Product: gcc
Version: 4.3.0
Status: UNCONFIRMED
Keywords: ice-on-valid-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=34270