http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45875
Summary: ice in gimple_fold_obj_type_ref_known_binfo with -O2 Product: gcc Version: 4.6.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++ AssignedTo: unassig...@gcc.gnu.org ReportedBy: dcb...@hotmail.com I just tried to compile package ddd-3.3.12 with the latest 4.6 snapshot 20101002 on a Fedora Linux box. The compiler said settings.C: At global scope: settings.C:4009:1: internal compiler error: Segmentation fault Please submit a full bug report, with preprocessed source if appropriate. See <http://gcc.gnu.org/bugs.html> for instructions. valgrind said ==2738== Invalid read of size 2 ==2738== at 0xD04E9D: gimple_fold_obj_type_ref_known_binfo (gimple-fold.c:144 4) ==2738== by 0xB190D1: propagate_info_to_inlined_callees (ipa-prop.c:1527) ==2738== by 0xB13CA5: cgraph_decide_inlining (ipa-inline.c:1248) ==2738== by 0x87040E: execute_one_pass (passes.c:1569) ==2738== by 0x870AE9: execute_ipa_pass_list (passes.c:1936) ==2738== by 0xB09A87: cgraph_optimize (cgraphunit.c:1733) ==2738== by 0xB09CC9: cgraph_finalize_compilation_unit (cgraphunit.c:1020) ==2738== by 0x54F55C: cp_write_global_declarations (decl2.c:3928) ==2738== by 0x91041B: toplev_main (toplev.c:951) ==2738== by 0x325FC1EC5C: (below main) (in /lib64/libc-2.12.so) ==2738== Address 0x0 is not stack'd, malloc'd or (recently) free'd ==2738== Preprocessed source code attached. Flag -O2 required.