The following code snippet causes an ICE in the C++ frontend on mainline: =============== int x[1/0]; ===============
bug.cc:1: warning: division by zero in '1 / 0' bug.cc:1: error: size of array 'x' is not an integral constant-expression bug.cc:1: internal compiler error: tree check: expected class 'constant', have 'binary' (minus_expr) in compute_array_index_type, at cp/decl.c:6377 Please submit a full bug report, [etc.] This was introduced with Roger's patch http://gcc.gnu.org/ml/gcc-cvs/2005-12/msg00129.html Roger, could you please have a look? The C frontend ICE's on this code as well, but that's because of PR 25161. So it's hard to tell whether the C frontend is affected by this particular problem or not. -- Summary: [4.2 regression] ICE on invalid array bound: int x[1/0]; 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=25263
