https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94816
Bug ID: 94816 Summary: ICE: Segmentation fault (in ana::region_model::add_region_for_type) Product: gcc Version: unknown Status: UNCONFIRMED Keywords: ice-on-valid-code Severity: normal Priority: P3 Component: analyzer Assignee: dmalcolm at gcc dot gnu.org Reporter: asolokha at gmx dot com Target Milestone: --- g++-10.0.1-alpha20200426 snapshot (g:29f55115583a0dab6cbac749c4f0804fd88e9536) ICEs when compiling the following testcase, reduced from gcc/testsuite/g++.dg/init/array51.C, w/ -O1 -fanalyzer: struct jr; struct ch { int jr::*rx; }; ch ad () { return ch (); } % g++-10.0.1 -O1 -fanalyzer -c noivoaih.C during IPA pass: analyzer noivoaih.C: In function 'ch ad()': noivoaih.C:10:14: internal compiler error: Segmentation fault 10 | return ch (); | ^ 0xfebacf crash_signal /var/tmp/portage/sys-devel/gcc-10.0.1_alpha20200426/work/gcc-10-20200426/gcc/toplev.c:328 0x136769e ana::region_model::add_region_for_type(ana::region_id, tree_node*, ana::region_model_context*) /var/tmp/portage/sys-devel/gcc-10.0.1_alpha20200426/work/gcc-10-20200426/gcc/analyzer/region-model.cc:6491 0x136d918 ana::map_region::get_or_create(ana::region_model*, ana::region_id, tree_node*, tree_node*, ana::region_model_context*) /var/tmp/portage/sys-devel/gcc-10.0.1_alpha20200426/work/gcc-10-20200426/gcc/analyzer/region-model.cc:1832 0x136ec2e ana::region_model::copy_struct_region(ana::region_id, ana::struct_region*, ana::struct_region*, ana::region_model_context*) /var/tmp/portage/sys-devel/gcc-10.0.1_alpha20200426/work/gcc-10-20200426/gcc/analyzer/region-model.cc:1304 0x134e9d1 ana::exploded_node::on_stmt(ana::exploded_graph&, ana::supernode const*, gimple const*, ana::program_state*, ana::state_change*) const /var/tmp/portage/sys-devel/gcc-10.0.1_alpha20200426/work/gcc-10-20200426/gcc/analyzer/engine.cc:1022 0x134f3e1 ana::exploded_graph::process_node(ana::exploded_node*) /var/tmp/portage/sys-devel/gcc-10.0.1_alpha20200426/work/gcc-10-20200426/gcc/analyzer/engine.cc:2530 0x134f8ca ana::exploded_graph::process_worklist() /var/tmp/portage/sys-devel/gcc-10.0.1_alpha20200426/work/gcc-10-20200426/gcc/analyzer/engine.cc:2348 0x134fffb ana::impl_run_checkers(ana::logger*) /var/tmp/portage/sys-devel/gcc-10.0.1_alpha20200426/work/gcc-10-20200426/gcc/analyzer/engine.cc:4029 0x1350bcc ana::run_checkers() /var/tmp/portage/sys-devel/gcc-10.0.1_alpha20200426/work/gcc-10-20200426/gcc/analyzer/engine.cc:4097 0x1345778 execute /var/tmp/portage/sys-devel/gcc-10.0.1_alpha20200426/work/gcc-10-20200426/gcc/analyzer/analyzer-pass.cc:84