The following invalid code snippet triggers an ICE since at GCC 4.0.0: ============================================ struct A { static int foo(); };
int i = __builtin_offsetof(A, foo[0]); ============================================ bug.cc:6: error: pointer to a function used in arithmetic bug.cc:6: internal compiler error: tree check: expected class 'expression', have 'declaration' (function_decl) in finish_offsetof, at cp/semantics.c:2895 Please submit a full bug report, [etc.] Testing a patch. -- Summary: [4.0/4.1/4.2 regression] ICE with invalid use of __builtin_offsetof Product: gcc Version: 4.2.0 Status: UNCONFIRMED Keywords: ice-on-invalid-code, error-recovery, monitored Severity: normal Priority: P3 Component: c++ AssignedTo: reichelt at gcc dot gnu dot org ReportedBy: reichelt at gcc dot gnu dot org http://gcc.gnu.org/bugzilla/show_bug.cgi?id=28294