The following invalid code snippet triggers an ICE on mainline: =========================== bool b = --0i == 0; ===========================
bug.cc:1: error: lvalue required as decrement operand bug.cc:1: internal compiler error: tree check: expected class 'type', have 'exceptional' (error_mark) in fold_comparison, at fold-const.c:8459 Please submit a full bug report, [etc.] -- Summary: [4.3 regression] ICE on invalid use of complex constant Product: gcc Version: 4.3.0 Status: UNCONFIRMED Keywords: ice-on-invalid-code, error-recovery, 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=31339