https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88214
Martin Liška <marxin at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Last reconfirmed| |2018-11-27
CC| |jamborm at gcc dot gnu.org,
| |marxin at gcc dot gnu.org
Ever confirmed|0 |1
Known to fail| |9.0
--- Comment #2 from Martin Liška <marxin at gcc dot gnu.org> ---
I can confirm that on a compile farm machine (gcc110.fsffrance.org) with:
$ ./xgcc -B. /tmp/pr.c -m32 -c -Wall -O2
during IPA pass: cp
/tmp/pr.c: In function ‘b’:
/tmp/pr.c:7:3: internal compiler error: Segmentation fault
7 | }
| ^
0x10933cab crash_signal
../../gcc/toplev.c:325
0x102d23e4 bitmap_intersect_p(bitmap_head const*, bitmap_head const*)
../../gcc/bitmap.c:1808
0x10bd1c8f pt_solutions_intersect_1
../../gcc/tree-ssa-structalias.c:6847
0x10bd1f7f pt_solutions_intersect(pt_solution*, pt_solution*)
../../gcc/tree-ssa-structalias.c:6853
0x10aac207 call_may_clobber_ref_p_1(gcall*, ao_ref*)
../../gcc/tree-ssa-alias.c:2238
0x10aad38b stmt_may_clobber_ref_p_1(gimple*, ao_ref*, bool)
../../gcc/tree-ssa-alias.c:2280
0x1069cecb determine_locally_known_aggregate_parts
../../gcc/ipa-prop.c:1632
0x106a44d3 ipa_compute_jump_functions_for_edge
../../gcc/ipa-prop.c:1996
0x106a59d3 ipa_compute_jump_functions_for_bb
../../gcc/ipa-prop.c:2024
0x106a59d3 analysis_dom_walker::before_dom_children(basic_block_def*)
../../gcc/ipa-prop.c:2542
0x11332657 dom_walker::walk(basic_block_def*)
../../gcc/domwalk.c:353
0x106a157b ipa_analyze_node(cgraph_node*)
../../gcc/ipa-prop.c:2612
0x113c27f7 ipcp_generate_summary
../../gcc/ipa-cp.c:5112
0x10805fa7 execute_ipa_summary_passes(ipa_opt_pass_d*)
../../gcc/passes.c:2149
0x1038742f ipa_passes
../../gcc/cgraphunit.c:2432
0x1038742f symbol_table::compile()
../../gcc/cgraphunit.c:2543
0x1038a66f symbol_table::compile()
../../gcc/cgraphunit.c:2522
0x1038a66f symbol_table::finalize_compilation_unit()
../../gcc/cgraphunit.c:2788
Martin can you please take a look?
