The following valid code snippet triggers an ICE on mainline and 4.2 branch:
===========================
struct A
{
int i[0];
A();
A(const A&);
};
void foo()
{
A a = ({ A(); });
}
===========================
bug.cc: In function 'void foo()':
bug.cc:10: internal compiler error: in create_tmp_var, at gimplify.c:488
Please submit a full bug report, [etc.]
--
Summary: [4.2/4.3 regression] ICE with statement expression
Product: gcc
Version: 4.3.0
Status: UNCONFIRMED
Keywords: ice-on-valid-code, monitored
Severity: normal
Priority: P3
Component: middle-end
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=31337