[Bug analyzer/101503] New: [12 Regression] ICE in involves_p, at analyzer/svalue.cc:557

asolokha at gmx dot com gcc-bugzilla@gcc.gnu.org
Mon Jul 19 06:16:34 GMT 2021


https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101503

            Bug ID: 101503
           Summary: [12 Regression] ICE in involves_p, at
                    analyzer/svalue.cc:557
           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-alpha20210718 snapshot (g:6ae8aac19cdbdbd96d90f86e4d8505fe121bdf06)
ICEs when compiling the following testcase w/ -fanalyzer --param
analyzer-max-svalue-depth=0:

int val;

int
fn (void)
{
  val = fn ();

  return 0;
}

% gcc-12.0.0 -fanalyzer --param analyzer-max-svalue-depth=0 -c nllhdqtp.c
during IPA pass: analyzer
nllhdqtp.c: In function 'fn':
nllhdqtp.c:6:9: internal compiler error: in involves_p, at
analyzer/svalue.cc:557
    6 |   val = fn ();
      |         ^~~~~
0x76e65b ana::svalue::involves_p(ana::svalue const*) const
       
/var/tmp/portage/sys-devel/gcc-12.0.0_alpha20210718/work/gcc-12-20210718/gcc/analyzer/svalue.cc:557
0x124227e ana::binding_cluster::purge_state_involving(ana::svalue const*,
ana::region_model_manager*)
       
/var/tmp/portage/sys-devel/gcc-12.0.0_alpha20210718/work/gcc-12-20210718/gcc/analyzer/store.cc:1337
0x1244aaf ana::store::purge_state_involving(ana::svalue const*,
ana::region_model_manager*)
       
/var/tmp/portage/sys-devel/gcc-12.0.0_alpha20210718/work/gcc-12-20210718/gcc/analyzer/store.cc:2497
0x1215ee8 ana::region_model::purge_state_involving(ana::svalue const*,
ana::region_model_context*)
       
/var/tmp/portage/sys-devel/gcc-12.0.0_alpha20210718/work/gcc-12-20210718/gcc/analyzer/region-model.cc:1307
0x12160d0 ana::region_model::on_call_pre(gcall const*,
ana::region_model_context*, bool*)
       
/var/tmp/portage/sys-devel/gcc-12.0.0_alpha20210718/work/gcc-12-20210718/gcc/analyzer/region-model.cc:1074
0x1218e63 ana::region_model::on_stmt_pre(gimple const*, bool*, bool*,
ana::region_model_context*)
       
/var/tmp/portage/sys-devel/gcc-12.0.0_alpha20210718/work/gcc-12-20210718/gcc/analyzer/region-model.cc:1027
0x11e97bd ana::exploded_node::on_stmt(ana::exploded_graph&, ana::supernode
const*, gimple const*, ana::program_state*, ana::uncertainty_t*)
       
/var/tmp/portage/sys-devel/gcc-12.0.0_alpha20210718/work/gcc-12-20210718/gcc/analyzer/engine.cc:1223
0x11ebd52 ana::exploded_graph::process_node(ana::exploded_node*)
       
/var/tmp/portage/sys-devel/gcc-12.0.0_alpha20210718/work/gcc-12-20210718/gcc/analyzer/engine.cc:3098
0x11ec8ba ana::exploded_graph::process_worklist()
       
/var/tmp/portage/sys-devel/gcc-12.0.0_alpha20210718/work/gcc-12-20210718/gcc/analyzer/engine.cc:2684
0x11eed15 ana::impl_run_checkers(ana::logger*)
       
/var/tmp/portage/sys-devel/gcc-12.0.0_alpha20210718/work/gcc-12-20210718/gcc/analyzer/engine.cc:4972
0x11efbb0 ana::run_checkers()
       
/var/tmp/portage/sys-devel/gcc-12.0.0_alpha20210718/work/gcc-12-20210718/gcc/analyzer/engine.cc:5043
0x11e0c78 execute
       
/var/tmp/portage/sys-devel/gcc-12.0.0_alpha20210718/work/gcc-12-20210718/gcc/analyzer/analyzer-pass.cc:87


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