https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101547
Bug ID: 101547
Summary: [12 Regression] ICE: Segmentation fault (in
c_tree_printer)
Product: gcc
Version: 12.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: analyzer
Assignee: dmalcolm at gcc dot gnu.org
Reporter: asolokha at gmx dot com
Target Milestone: ---
gcc-12.0.0-alpha20210718 snapshot (g:6ae8aac19cdbdbd96d90f86e4d8505fe121bdf06)
ICEs when compiling the following testcase w/ -fanalyzer:
char *
fopen (const char *restrict, const char *restrict);
void
k2 (void)
{
char *setfiles[1];
int i;
setfiles[i] = fopen ("", "");
}
% gcc-12.0.0 -fanalyzer -c zlrtucfi.c
during IPA pass: analyzer
zlrtucfi.c:10:15: internal compiler error: Segmentation fault
10 | setfiles[i] = fopen ("", "");
| ~~~~~~~~~~~~^~~~~~~~~~~~~~~~
0xe3c9af crash_signal
/var/tmp/portage/sys-devel/gcc-12.0.0_alpha20210718/work/gcc-12-20210718/gcc/toplev.c:328
0x860ab0 c_tree_printer
/var/tmp/portage/sys-devel/gcc-12.0.0_alpha20210718/work/gcc-12-20210718/gcc/c/c-objc-common.c:305
0x860ab0 c_tree_printer
/var/tmp/portage/sys-devel/gcc-12.0.0_alpha20210718/work/gcc-12-20210718/gcc/c/c-objc-common.c:258
0x1aa776d pp_format(pretty_printer*, text_info*)
/var/tmp/portage/sys-devel/gcc-12.0.0_alpha20210718/work/gcc-12-20210718/gcc/pretty-print.c:1475
0x11f810b ana::evdesc::event_desc::formatted_print(char const*, ...) const
/var/tmp/portage/sys-devel/gcc-12.0.0_alpha20210718/work/gcc-12-20210718/gcc/analyzer/pending-diagnostic.cc:64
0x1a34c36 ana::warning_event::get_desc(bool) const
/var/tmp/portage/sys-devel/gcc-12.0.0_alpha20210718/work/gcc-12-20210718/gcc/analyzer/checker-path.cc:887
0x1a34482 ana::checker_event::prepare_for_emission(ana::checker_path*,
ana::pending_diagnostic*, diagnostic_event_id_t)
/var/tmp/portage/sys-devel/gcc-12.0.0_alpha20210718/work/gcc-12-20210718/gcc/analyzer/checker-path.cc:149
0x1a47605 ana::checker_path::prepare_for_emission(ana::pending_diagnostic*)
/var/tmp/portage/sys-devel/gcc-12.0.0_alpha20210718/work/gcc-12-20210718/gcc/analyzer/checker-path.h:571
0x1a47605 ana::diagnostic_manager::emit_saved_diagnostic(ana::exploded_graph
const&, ana::saved_diagnostic const&)
/var/tmp/portage/sys-devel/gcc-12.0.0_alpha20210718/work/gcc-12-20210718/gcc/analyzer/diagnostic-manager.cc:1192
0x1a4af37 ana::dedupe_winners::emit_best(ana::diagnostic_manager*,
ana::exploded_graph const&)
/var/tmp/portage/sys-devel/gcc-12.0.0_alpha20210718/work/gcc-12-20210718/gcc/analyzer/diagnostic-manager.cc:1095
0x1a47ba1 ana::diagnostic_manager::emit_saved_diagnostics(ana::exploded_graph
const&)
/var/tmp/portage/sys-devel/gcc-12.0.0_alpha20210718/work/gcc-12-20210718/gcc/analyzer/diagnostic-manager.cc:1146
0x11eef0d ana::impl_run_checkers(ana::logger*)
/var/tmp/portage/sys-devel/gcc-12.0.0_alpha20210718/work/gcc-12-20210718/gcc/analyzer/engine.cc:4986
0x11efd80 ana::run_checkers()
/var/tmp/portage/sys-devel/gcc-12.0.0_alpha20210718/work/gcc-12-20210718/gcc/analyzer/engine.cc:5043
0x11e0e48 execute
/var/tmp/portage/sys-devel/gcc-12.0.0_alpha20210718/work/gcc-12-20210718/gcc/analyzer/analyzer-pass.cc:87
