The C frontend crashes on the following line of invalid code since GCC 4.0.0:
================================ int i = (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_parser_postfix_expression_after_paren_type, at c-parser.c:5432 Please submit a full bug report, [etc.] Before the code was wrongly accepted. I'll post a patch soon. -- Summary: [4.0/4.1/4.2 regression] ICE with incomplete array 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=28136