https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63815
Bug ID: 63815 Summary: g++.dg/other/pr53811.C fails on darwin14 Product: gcc Version: 5.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: fxcoudert at gcc dot gnu.org g++.dg/other/pr53811.C ICE's with trunk (rev. 217343) on darwin14 with -mcmodel=large. Minimal reproducer is: ------------------------------ struct ICCStringClass { virtual void CreateString (void) = 0; }; struct AGSCCDynamicObject { virtual void Unserialize (void) = 0; }; struct ScriptString:AGSCCDynamicObject, ICCStringClass { virtual void CreateString (void); }; void CreateNewScriptString (void); void ScriptString::CreateString (void) { CreateNewScriptString (); } ------------------------------ which says: pr53811.C: In member function ‘virtual void ScriptString::_ZThn8_N12ScriptString12CreateStringEv()’: pr53811.C:23:1: error: insn does not satisfy its constraints: } ^ (insn 4 3 5 (parallel [ (set (reg:DI 39 r10) (plus:DI (reg:DI 39 r10) (reg:DI 87))) (clobber (reg:CC 17 flags)) ]) pr53811.C:14 221 {*adddi_1} (nil)) and the backtrace is: * frame #0: 0x0000000100ee03f0 cc1plus`internal_error(char const*, ...) frame #1: 0x0000000100ede966 cc1plus`fancy_abort(char const*, int, char const*) + 38 frame #2: 0x0000000100aca9de cc1plus`_fatal_insn(char const*, rtx_def const*, char const*, int, char const*) + 78 frame #3: 0x0000000100acaa02 cc1plus`_fatal_insn_not_found(rtx_def const*, char const*, int, char const*) + 34 frame #4: 0x00000001007c1509 cc1plus`final_scan_insn(rtx_insn*, __sFILE*, int, int, int*) + 4953 frame #5: 0x00000001007c1703 cc1plus`final(rtx_insn*, __sFILE*, int) + 195 frame #6: 0x0000000100e96838 cc1plus`x86_output_mi_thunk(__sFILE*, tree_node*, long long, long long, tree_node*) + 872 frame #7: 0x000000010069f17c cc1plus`cgraph_node::expand_thunk(bool, bool) + 2156 frame #8: 0x00000001006a0163 cc1plus`cgraph_node::assemble_thunks_and_aliases() + 259 frame #9: 0x00000001006a0386 cc1plus`cgraph_node::expand() + 518 frame #10: 0x00000001006a11af cc1plus`output_in_order(bool) + 559 frame #11: 0x00000001006a16fa cc1plus`symbol_table::compile() + 890 frame #12: 0x00000001006a375e cc1plus`symbol_table::finalize_compilation_unit() + 110 frame #13: 0x00000001001062e0 cc1plus`cp_write_global_declarations() + 4480 frame #14: 0x0000000100b3cebf cc1plus`compile_file() + 143 frame #15: 0x0000000100ff1ae4 cc1plus`toplev::main(int, char**) + 3764 frame #16: 0x0000000100ff210c cc1plus`main + 44