The following invalid code snippet triggers an ICE since GCC 4.3.0: ======================== struct A {}; class B : A {};
void foo(B b) { (A)b; } ======================== bug.cc: In function 'void foo(B)': bug.cc:6: error: 'A' is an inaccessible base of 'B' bug.cc:6: internal compiler error: tree check: expected class 'type', have 'exceptional' (error_mark) in useless_type_conversion_p_1, at tree-ssa.c:1075 Please submit a full bug report, [etc.] -- Summary: [4.3/4.4 regression] ICE with invalid cast 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=37554