https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107486
Bug ID: 107486
Summary: [13 Regression] ICE in deref_rvalue, at
analyzer/region-model.cc:3317
Product: gcc
Version: 13.0
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: ---
gcc 13.0.0 20221030 snapshot (g:f36bba013361d8d4f9c7237c3307630de0cc0416) ICEs
when compiling the following testcase, reduced from
test/CodeGen/2008-07-31-asm-labels.c from the clang 14 test suite, w/
-fanalyzer:
void pipe(int) asm("_thisIsNotAPipe");
void f1(void) {
pipe(1);
}
% gcc-13 -fanalyzer -c sdgrfguh.c
during IPA pass: analyzer
sdgrfguh.c: In function 'f1':
sdgrfguh.c:4:3: internal compiler error: in deref_rvalue, at
analyzer/region-model.cc:3317
4 | pipe(1);
| ^~~~~~~
0x7d4fd0 ana::region_model::deref_rvalue(ana::svalue const*, tree_node*,
ana::region_model_context*) const
/var/tmp/portage/sys-devel/gcc-13.0.0_p20221030/work/gcc-13-20221030/gcc/analyzer/region-model.cc:3317
0x13151ea update_model
/var/tmp/portage/sys-devel/gcc-13.0.0_p20221030/work/gcc-13-20221030/gcc/analyzer/region-model-impl-calls.cc:608
0x12d9d4d ana::exploded_graph::process_node(ana::exploded_node*)
/var/tmp/portage/sys-devel/gcc-13.0.0_p20221030/work/gcc-13-20221030/gcc/analyzer/engine.cc:4133
0x12da7aa ana::exploded_graph::process_worklist()
/var/tmp/portage/sys-devel/gcc-13.0.0_p20221030/work/gcc-13-20221030/gcc/analyzer/engine.cc:3422
0x12dce9c ana::impl_run_checkers(ana::logger*)
/var/tmp/portage/sys-devel/gcc-13.0.0_p20221030/work/gcc-13-20221030/gcc/analyzer/engine.cc:6070
0x12ddeee ana::run_checkers()
/var/tmp/portage/sys-devel/gcc-13.0.0_p20221030/work/gcc-13-20221030/gcc/analyzer/engine.cc:6144
0x12cc848 execute
/var/tmp/portage/sys-devel/gcc-13.0.0_p20221030/work/gcc-13-20221030/gcc/analyzer/analyzer-pass.cc:86
