https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104089
Bug ID: 104089
Summary: ICE in constant_svalue, at analyzer/svalue.h:271
Product: gcc
Version: 12.0
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 12.0.0 20220116 snapshot (g:90045c5df5b3c8853e7740fb72a11aead1c489bb) ICEs
when compiling the following testcase, reduced from
gcc/testsuite/gcc.dg/torture/float16-tg-3.c, w/ -fanalyzer -frounding-math:
volatile _Float16 true_min = 5.96046447753906250000000000000000000e-8F16;
int
main (void)
{
return __builtin_fpclassify (0, 1, 4, 3, 2, true_min);
}
% gcc-12.0.0 -fanalyzer -frounding-math -c caqiocbw.c
during IPA pass: analyzer
caqiocbw.c: In function 'main':
caqiocbw.c:6:10: internal compiler error: in constant_svalue, at
analyzer/svalue.h:271
6 | return __builtin_fpclassify (0, 1, 4, 3, 2, true_min);
| ^~~~~~~~~~~~~~~~~~~~
0x7b22a8 ana::constant_svalue::constant_svalue(tree_node*)
/var/tmp/portage/sys-devel/gcc-12.0.0_p20220116/work/gcc-12-20220116/gcc/analyzer/svalue.h:271
0x7b22a8 ana::region_model_manager::get_or_create_constant_svalue(tree_node*)
/var/tmp/portage/sys-devel/gcc-12.0.0_p20220116/work/gcc-12-20220116/gcc/analyzer/region-model-manager.cc:216
0x12a37da ana::region_model_manager::get_or_create_unaryop(tree_node*,
tree_code, ana::svalue const*)
/var/tmp/portage/sys-devel/gcc-12.0.0_p20220116/work/gcc-12-20220116/gcc/analyzer/region-model-manager.cc:441
0x128ba67 ana::region_model::on_assignment(gassign const*,
ana::region_model_context*)
/var/tmp/portage/sys-devel/gcc-12.0.0_p20220116/work/gcc-12-20220116/gcc/analyzer/region-model.cc:870
0x1265bc8 ana::exploded_node::on_stmt(ana::exploded_graph&, ana::supernode
const*, gimple const*, ana::program_state*, ana::uncertainty_t*,
ana::path_context*)
/var/tmp/portage/sys-devel/gcc-12.0.0_p20220116/work/gcc-12-20220116/gcc/analyzer/engine.cc:1305
0x1268ff6 ana::exploded_graph::process_node(ana::exploded_node*)
/var/tmp/portage/sys-devel/gcc-12.0.0_p20220116/work/gcc-12-20220116/gcc/analyzer/engine.cc:3694
0x1269fea ana::exploded_graph::process_worklist()
/var/tmp/portage/sys-devel/gcc-12.0.0_p20220116/work/gcc-12-20220116/gcc/analyzer/engine.cc:3137
0x126c670 ana::impl_run_checkers(ana::logger*)
/var/tmp/portage/sys-devel/gcc-12.0.0_p20220116/work/gcc-12-20220116/gcc/analyzer/engine.cc:5716
0x126d56e ana::run_checkers()
/var/tmp/portage/sys-devel/gcc-12.0.0_p20220116/work/gcc-12-20220116/gcc/analyzer/engine.cc:5787
0x125c2a8 execute
/var/tmp/portage/sys-devel/gcc-12.0.0_p20220116/work/gcc-12-20220116/gcc/analyzer/analyzer-pass.cc:87
