https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97593
Bug ID: 97593 Summary: [11 Regression] ICE in gt_pch_nx, at symbol-summary.h:290 since r11-4329-g67f3791f7d133214 Product: gcc Version: 11.0 Status: UNCONFIRMED Keywords: ice-on-valid-code Severity: normal Priority: P3 Component: ipa Assignee: unassigned at gcc dot gnu.org Reporter: marxin at gcc dot gnu.org CC: hubicka at gcc dot gnu.org, marxin at gcc dot gnu.org Target Milestone: --- The following fails since r11-4329-g67f3791f7d133214: $ cat prusa.ii class ConfigBase { virtual int *def() const; }; class DynamicConfig : virtual ConfigBase { int *def() const { return 0; } }; $ g++ -x c++-header prusa.ii -o x.pch prusa.ii:6:2: internal compiler error: in gt_pch_nx, at symbol-summary.h:329 6 | }; | ^ 0x758fea void gt_pch_nx<thunk_info>(function_summary<thunk_info*>* const&) /home/marxin/Programming/gcc/gcc/symbol-summary.h:329 0x758fea gt_pch_nx_function_summary_thunk_info__(void*) /dev/shm/objdir/gcc/gtype-desc.c:6428 0x758fea gt_pch_nx_symbol_table(void*) /dev/shm/objdir/gcc/gtype-desc.c:6451 0x758fea gt_pch_nx_symbol_table(void*) /dev/shm/objdir/gcc/gtype-desc.c:6440 0xd4c785 gt_pch_save(_IO_FILE*) /home/marxin/Programming/gcc/gcc/ggc-common.c:430 0xb3c5a5 c_common_write_pch() /home/marxin/Programming/gcc/gcc/c-family/c-pch.c:177 0x97bd8c c_parse_final_cleanups() /home/marxin/Programming/gcc/gcc/cp/decl2.c:4866 Please submit a full bug report, with preprocessed source if appropriate. Please include the complete backtrace with any bug report. See <https://gcc.gnu.org/bugs/> for instructions. It's because I added the assert to summaries as we didn't expect PCH being called for it.