https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98969
Bug ID: 98969 Summary: [11 Regression] ICE: Segmentation fault (in print_mem_ref) Product: gcc Version: 11.0 Status: UNCONFIRMED Keywords: ice-on-invalid-code Severity: normal Priority: P3 Component: c Assignee: unassigned at gcc dot gnu.org Reporter: asolokha at gmx dot com Target Milestone: --- gcc-11.0.0-alpha20210131 snapshot (g:98342bdd2b7085c9e7e4c9fbb07c3917a0013515) ICEs when compiling the following snippet by either C or C++ compiler w/ -fanalyzer: struct TYPE_14__ { char *expr; }; char * strdup (const char *); void _round_2_cb (long int _round_2_cb_n_0) { struct TYPE_14__ *bb = (struct TYPE_14__ *) _round_2_cb_n_0; bb->expr = strdup ((const char *) 0); } % gcc-11.0.0 -fanalyzer -c e6r6hdiy.c during IPA pass: analyzer e6r6hdiy.c:14:1: internal compiler error: Segmentation fault 14 | } | ^ 0xe0343f crash_signal /var/tmp/portage/sys-devel/gcc-11.0.0_alpha20210131/work/gcc-11-20210131/gcc/toplev.c:327 0x8dac60 print_mem_ref /var/tmp/portage/sys-devel/gcc-11.0.0_alpha20210131/work/gcc-11-20210131/gcc/c-family/c-pretty-print.c:2006 0x8d7ffc c_pretty_printer::postfix_expression(tree_node*) /var/tmp/portage/sys-devel/gcc-11.0.0_alpha20210131/work/gcc-11-20210131/gcc/c-family/c-pretty-print.c:1696 0x83b34d c_tree_printer /var/tmp/portage/sys-devel/gcc-11.0.0_alpha20210131/work/gcc-11-20210131/gcc/c/c-objc-common.c:317 0x83b34d c_tree_printer /var/tmp/portage/sys-devel/gcc-11.0.0_alpha20210131/work/gcc-11-20210131/gcc/c/c-objc-common.c:254 0x1a01945 pp_format(pretty_printer*, text_info*) /var/tmp/portage/sys-devel/gcc-11.0.0_alpha20210131/work/gcc-11-20210131/gcc/pretty-print.c:1475 0x11ab18b ana::evdesc::event_desc::formatted_print(char const*, ...) const /var/tmp/portage/sys-devel/gcc-11.0.0_alpha20210131/work/gcc-11-20210131/gcc/analyzer/pending-diagnostic.cc:64 0x1998e16 ana::warning_event::get_desc(bool) const /var/tmp/portage/sys-devel/gcc-11.0.0_alpha20210131/work/gcc-11-20210131/gcc/analyzer/checker-path.cc:885 0x1998692 ana::checker_event::prepare_for_emission(ana::checker_path*, ana::pending_diagnostic*, diagnostic_event_id_t) /var/tmp/portage/sys-devel/gcc-11.0.0_alpha20210131/work/gcc-11-20210131/gcc/analyzer/checker-path.cc:149 0x19a9159 ana::checker_path::prepare_for_emission(ana::pending_diagnostic*) /var/tmp/portage/sys-devel/gcc-11.0.0_alpha20210131/work/gcc-11-20210131/gcc/analyzer/checker-path.h:559 0x19a9159 ana::diagnostic_manager::emit_saved_diagnostic(ana::exploded_graph const&, ana::saved_diagnostic const&, ana::exploded_path const&, gimple const*, int) /var/tmp/portage/sys-devel/gcc-11.0.0_alpha20210131/work/gcc-11-20210131/gcc/analyzer/diagnostic-manager.cc:668 0x19ab831 ana::dedupe_winners::emit_best(ana::diagnostic_manager*, ana::exploded_graph const&) /var/tmp/portage/sys-devel/gcc-11.0.0_alpha20210131/work/gcc-11-20210131/gcc/analyzer/diagnostic-manager.cc:569 0x19a956a ana::diagnostic_manager::emit_saved_diagnostics(ana::exploded_graph const&) /var/tmp/portage/sys-devel/gcc-11.0.0_alpha20210131/work/gcc-11-20210131/gcc/analyzer/diagnostic-manager.cc:622 0x11a1602 ana::impl_run_checkers(ana::logger*) /var/tmp/portage/sys-devel/gcc-11.0.0_alpha20210131/work/gcc-11-20210131/gcc/analyzer/engine.cc:4780 0x11a2426 ana::run_checkers() /var/tmp/portage/sys-devel/gcc-11.0.0_alpha20210131/work/gcc-11-20210131/gcc/analyzer/engine.cc:4837 0x11940f8 execute /var/tmp/portage/sys-devel/gcc-11.0.0_alpha20210131/work/gcc-11-20210131/gcc/analyzer/analyzer-pass.cc:87