https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101625
Martin Liška <marxin at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Last reconfirmed| |2021-08-02 Summary|[11/12 Regression] ICE in |[11/12 Regression] ICE in |modref_tree<int>::merge |modref_tree<int>::merge |with LTO and -m32 |with LTO and -m32 since | |r11-3825-g71dbabccbfb295c8 Status|UNCONFIRMED |NEW Ever confirmed|0 |1 --- Comment #2 from Martin Liška <marxin at gcc dot gnu.org> --- Confirmed, started with r11-3825-g71dbabccbfb295c8. Reduced test-case: $ cat ice.i typedef enum { XXH_OK } XXH_errorcode; struct XXH64_state_s {}; struct XXH32_state_s {}; void XXH_free(); XXH_errorcode XXH32_freeState(struct XXH32_state_s *statePtr) { XXH_free(statePtr); return XXH_OK; } XXH_errorcode XXH64_freeState(struct XXH64_state_s *statePtr) { XXH_free(statePtr); return XXH_OK; } $ gcc ice.i -Os -ffat-lto-objects -nostdlib -nostdlib -Wl,-r,-d -flto during IPA pass: inline lto1: internal compiler error: Segmentation fault 0xd6ecba crash_signal /home/marxin/Programming/gcc/gcc/toplev.c:328 0x7ffff786239f ??? ../sysdeps/unix/sysv/linux/sigaction.c:10 0xb4b57b modref_tree<int>::merge(modref_tree<int>*, vec<modref_parm_map, va_heap, vl_ptr>*) /home/marxin/Programming/gcc/gcc/ipa-modref-tree.h:420 0xb4008a ipa_merge_modref_summary_after_inlining(cgraph_edge*) /home/marxin/Programming/gcc/gcc/ipa-modref.c:3123 0xb3393b inline_call(cgraph_edge*, bool, vec<cgraph_edge*, va_heap, vl_ptr>*, int*, bool, bool*) /home/marxin/Programming/gcc/gcc/ipa-inline-transform.c:503 0x18b4e1c inline_small_functions /home/marxin/Programming/gcc/gcc/ipa-inline.c:2245 0x18b4e1c ipa_inline /home/marxin/Programming/gcc/gcc/ipa-inline.c:2726 0x18b4e1c execute /home/marxin/Programming/gcc/gcc/ipa-inline.c:3125 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. lto-wrapper: fatal error: gcc returned 1 exit status compilation terminated. /usr/bin/ld: fatal error: lto-wrapper failed collect2: error: ld returned 1 exit status