https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87025
Bug ID: 87025 Summary: [9 Regression] ICE in add_record, at optinfo-emit-json.cc:175 Product: gcc Version: unknown Status: UNCONFIRMED Keywords: ice-on-valid-code Severity: normal Priority: P3 Component: tree-optimization Assignee: unassigned at gcc dot gnu.org Reporter: asolokha at gmx dot com Target Milestone: --- gcc-9.0.0-alpha20180819 snapshot (r263652) ICEs when compiling the following snippet w/ -O1 -fsave-optimization-record -ftree-vectorize -fno-tree-scev-cprop -fno-tree-sink: void fk (unsigned int sf) { for (;;) { if (sf != 0) { while (sf != 0) ++sf; while (sf < 8) ++sf; } ++sf; } } % gcc-9.0.0-alpha20180819 -O1 -fsave-optimization-record -ftree-vectorize -fno-tree-scev-cprop -fno-tree-sink -c hdtzb5rs.c during GIMPLE pass: vect hdtzb5rs.c: In function 'fk': hdtzb5rs.c:2:1: internal compiler error: in add_record, at optinfo-emit-json.cc:175 2 | fk (unsigned int sf) | ^~ 0x64094b optrecord_json_writer::add_record(json::object*) /var/tmp/portage/sys-devel/gcc-9.0.0_alpha20180819/work/gcc-9-20180819/gcc/optinfo-emit-json.cc:175 0xbc42e6 optrecord_json_writer::add_record(optinfo const*) /var/tmp/portage/sys-devel/gcc-9.0.0_alpha20180819/work/gcc-9-20180819/gcc/optinfo-emit-json.cc:156 0x90ba46 dump_context::end_any_optinfo() /var/tmp/portage/sys-devel/gcc-9.0.0_alpha20180819/work/gcc-9-20180819/gcc/dumpfile.c:1120 0x90bae0 dump_context::begin_next_optinfo(dump_location_t const&) /var/tmp/portage/sys-devel/gcc-9.0.0_alpha20180819/work/gcc-9-20180819/gcc/dumpfile.c:1107 0x90dd2e dump_context::begin_scope(char const*, dump_location_t const&) /var/tmp/portage/sys-devel/gcc-9.0.0_alpha20180819/work/gcc-9-20180819/gcc/dumpfile.c:1070 0xf01591 auto_dump_scope::auto_dump_scope(char const*, dump_location_t) /var/tmp/portage/sys-devel/gcc-9.0.0_alpha20180819/work/gcc-9-20180819/gcc/dumpfile.h:537 0xf01591 vect_analyze_loop(loop*, _loop_vec_info*, vec_info_shared*) /var/tmp/portage/sys-devel/gcc-9.0.0_alpha20180819/work/gcc-9-20180819/gcc/tree-vect-loop.c:2274 0xf1d763 try_vectorize_loop_1 /var/tmp/portage/sys-devel/gcc-9.0.0_alpha20180819/work/gcc-9-20180819/gcc/tree-vectorizer.c:867 0xf1e591 vectorize_loops() /var/tmp/portage/sys-devel/gcc-9.0.0_alpha20180819/work/gcc-9-20180819/gcc/tree-vectorizer.c:1075