The following invalid code snippet triggers an ICE on mainline:
========================
extern struct A a[1];
void foo()
{
a[0];
}
========================
bug.cc: In function 'void foo()':
bug.cc:5: error: invalid use of incomplete type 'struct A'
bug.cc:1: error: forward declaration of 'struct A'
bug.cc:5: internal compiler error: tree check: expected class 'expression',
have 'exceptional' (error_mark) in build_array_ref, at cp/typeck.c:2626
Please submit a full bug report, [etc.]
The regression appeared between 2008-08-29 and 2008-09-06.
--
Summary: [4.4 regression] ICE with invalid array access
Product: gcc
Version: 4.4.0
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=37552
