[Bug c/27718] New: [4.0/4.1/4.2 regression] ICE with sizeof of incomplete type

[reichelt at gcc dot gnu dot org]

The following code snippet triggers an ICE in the C frontend since GCC 4.0.0:

=================================
int i = sizeof(struct A[]);
=================================

bug.c:1: error: array type has incomplete element type
bug.c:1: internal compiler error: tree check: expected class 'type', have
'exceptional' (error_mark) in c_expr_sizeof_type, at c-typeck.c:2156
Please submit a full bug report, [etc.]

Testing a patch.


-- 
           Summary: [4.0/4.1/4.2 regression] ICE with sizeof of incomplete
                    type
           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=27718