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* [Bug analyzer/101570] New: [12 Regression] ICE in maybe_reconstruct_from_def_stmt, at analyzer/analyzer.cc:133
@ 2021-07-22  2:49 asolokha at gmx dot com
  2021-07-22  6:56 ` [Bug analyzer/101570] " rguenth at gcc dot gnu.org
                   ` (3 more replies)
  0 siblings, 4 replies; 5+ messages in thread
From: asolokha at gmx dot com @ 2021-07-22  2:49 UTC (permalink / raw)
  To: gcc-bugs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101570

            Bug ID: 101570
           Summary: [12 Regression] ICE in
                    maybe_reconstruct_from_def_stmt, at
                    analyzer/analyzer.cc:133
           Product: gcc
           Version: unknown
            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, reduced from
gcc/testsuite/gcc.dg/torture/pr70370.c, w/ -fanalyzer:

void
test2 (_Complex double f)
{
  __asm__ ("" : "=r" (__real f));
}

% gcc-12.0.0 -fanalyzer -c erc6pp1g.c
during IPA pass: analyzer
erc6pp1g.c: In function 'test2':
erc6pp1g.c:4:3: internal compiler error: in maybe_reconstruct_from_def_stmt, at
analyzer/analyzer.cc:133
    4 |   __asm__ ("" : "=r" (__real f));
      |   ^~~~~~~
0x7ff6f0 maybe_reconstruct_from_def_stmt
       
/var/tmp/portage/sys-devel/gcc-12.0.0_alpha20210718/work/gcc-12-20210718/gcc/analyzer/analyzer.cc:133
0x7ff6f0 fixup_tree_for_diagnostic_1
       
/var/tmp/portage/sys-devel/gcc-12.0.0_alpha20210718/work/gcc-12-20210718/gcc/analyzer/analyzer.cc:180
0x1a32b3a fixup_tree_for_diagnostic_1
       
/var/tmp/portage/sys-devel/gcc-12.0.0_alpha20210718/work/gcc-12-20210718/gcc/hash-table.h:687
0x1a32b3a ana::fixup_tree_for_diagnostic(tree_node*)
       
/var/tmp/portage/sys-devel/gcc-12.0.0_alpha20210718/work/gcc-12-20210718/gcc/analyzer/analyzer.cc:201
0x120761f ana::region_model::check_for_poison(ana::svalue const*, tree_node*,
ana::region_model_context*) const
       
/var/tmp/portage/sys-devel/gcc-12.0.0_alpha20210718/work/gcc-12-20210718/gcc/analyzer/region-model.cc:839
0x120ba80 ana::region_model::get_rvalue(tree_node*, ana::region_model_context*)
const
       
/var/tmp/portage/sys-devel/gcc-12.0.0_alpha20210718/work/gcc-12-20210718/gcc/analyzer/region-model.cc:1842
0x120ba80 ana::region_model::get_gassign_result(gassign const*,
ana::region_model_context*)
       
/var/tmp/portage/sys-devel/gcc-12.0.0_alpha20210718/work/gcc-12-20210718/gcc/analyzer/region-model.cc:765
0x120c62c ana::region_model::on_assignment(gassign const*,
ana::region_model_context*)
       
/var/tmp/portage/sys-devel/gcc-12.0.0_alpha20210718/work/gcc-12-20210718/gcc/analyzer/region-model.cc:869
0x11e998d 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
0x11ebf22 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
0x11eca8a ana::exploded_graph::process_worklist()
       
/var/tmp/portage/sys-devel/gcc-12.0.0_alpha20210718/work/gcc-12-20210718/gcc/analyzer/engine.cc:2684
0x11eeee5 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
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

^ permalink raw reply	[flat|nested] 5+ messages in thread
end of thread, other threads:[~2021-08-04 22:28 UTC | newest]

Thread overview: 5+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2021-07-22  2:49 [Bug analyzer/101570] New: [12 Regression] ICE in maybe_reconstruct_from_def_stmt, at analyzer/analyzer.cc:133 asolokha at gmx dot com
2021-07-22  6:56 ` [Bug analyzer/101570] " rguenth at gcc dot gnu.org
2021-07-22 22:31 ` dmalcolm at gcc dot gnu.org
2021-08-04 22:22 ` cvs-commit at gcc dot gnu.org
2021-08-04 22:28 ` dmalcolm at gcc dot gnu.org

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