https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96777
Bug ID: 96777 Summary: [11 Regression] ICE in bind_compound_sval, at analyzer/store.cc:618 Product: gcc Version: 11.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: analyzer Assignee: dmalcolm at gcc dot gnu.org Reporter: asolokha at gmx dot com Target Milestone: --- gcc-11.0.0-alpha20200823 snapshot (g:87c753ac241f25d222d46ba1ac66ceba89d6a200) ICEs when compiling the following testcase, reduced from gcc/testsuite/gcc.c-torture/execute/20010924-1.c, w/ -fanalyzer: struct ge { char au; char pz[]; }; struct ge tr = { 'X', 'X', }; int main (void) { return tr.pz[0] == 'X'; } % gcc-11.0.0 -fanalyzer -c zlhfknsu.c during IPA pass: analyzer zlhfknsu.c: In function 'main': zlhfknsu.c:11:15: internal compiler error: in bind_compound_sval, at analyzer/store.cc:618 11 | return tr.pz[0] == 'X'; | ~~~~~^~~ 0x72405f ana::binding_cluster::bind_compound_sval(ana::store_manager*, ana::region const*, ana::compound_svalue const*) /var/tmp/portage/sys-devel/gcc-11.0.0_alpha20200823/work/gcc-11-20200823/gcc/analyzer/store.cc:618 0x110f518 ana::region_model::get_initial_value_for_global(ana::region const*) const /var/tmp/portage/sys-devel/gcc-11.0.0_alpha20200823/work/gcc-11-20200823/gcc/analyzer/region-model.cc:1258 0x11114ca ana::region_model::get_rvalue(tree_node*, ana::region_model_context*) /var/tmp/portage/sys-devel/gcc-11.0.0_alpha20200823/work/gcc-11-20200823/gcc/analyzer/region-model.cc:1190 0x1113f87 ana::region_model::on_assignment(gassign const*, ana::region_model_context*) /var/tmp/portage/sys-devel/gcc-11.0.0_alpha20200823/work/gcc-11-20200823/gcc/analyzer/region-model.cc:562 0x10f4d92 ana::exploded_node::on_stmt(ana::exploded_graph&, ana::supernode const*, gimple const*, ana::program_state*) const /var/tmp/portage/sys-devel/gcc-11.0.0_alpha20200823/work/gcc-11-20200823/gcc/analyzer/engine.cc:1029 0x10f5fdd ana::exploded_graph::process_node(ana::exploded_node*) /var/tmp/portage/sys-devel/gcc-11.0.0_alpha20200823/work/gcc-11-20200823/gcc/analyzer/engine.cc:2526 0x10f6aca ana::exploded_graph::process_worklist() /var/tmp/portage/sys-devel/gcc-11.0.0_alpha20200823/work/gcc-11-20200823/gcc/analyzer/engine.cc:2341 0x10f8bff ana::impl_run_checkers(ana::logger*) /var/tmp/portage/sys-devel/gcc-11.0.0_alpha20200823/work/gcc-11-20200823/gcc/analyzer/engine.cc:4107 0x10f981c ana::run_checkers() /var/tmp/portage/sys-devel/gcc-11.0.0_alpha20200823/work/gcc-11-20200823/gcc/analyzer/engine.cc:4175 0x10ee1d8 execute /var/tmp/portage/sys-devel/gcc-11.0.0_alpha20200823/work/gcc-11-20200823/gcc/analyzer/analyzer-pass.cc:84