[Bug analyzer/107486] New: [13 Regression] ICE in deref_rvalue, at analyzer/region-model.cc:3317

[Bug analyzer/107486] New: [13 Regression] ICE in deref_rvalue, at analyzer/region-model.cc:3317

[asolokha at gmx dot com]

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

[Bug analyzer/107486] [13 Regression] ICE when pipe's argument is not a pointer type

[dmalcolm at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107486

David Malcolm <dmalcolm at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|[13 Regression] ICE in      |[13 Regression] ICE when
                   |deref_rvalue, at            |pipe's argument is not a
                   |analyzer/region-model.cc:33 |pointer type
                   |17                          |
   Last reconfirmed|                            |2022-11-02
             Status|UNCONFIRMED                 |ASSIGNED
     Ever confirmed|0                           |1

--- Comment #1 from David Malcolm <dmalcolm at gcc dot gnu.org> ---
Thanks for filing this bug.

I'm testing a fix.

[Bug analyzer/107486] [13 Regression] ICE when pipe's argument is not a pointer type

[cvs-commit at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107486

--- Comment #2 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by David Malcolm <dmalcolm@gcc.gnu.org>:

https://gcc.gnu.org/g:5acc10a9ea66411e1712fabc94f9f29892b0d607

commit r13-3626-g5acc10a9ea66411e1712fabc94f9f29892b0d607
Author: David Malcolm <dmalcolm@redhat.com>
Date:   Thu Nov 3 10:21:00 2022 -0400

    analyzer: fix ICE when pipe's arg isn't a pointer [PR107486]

    gcc/analyzer/ChangeLog:
            PR analyzer/107486
            * analyzer.cc (is_pipe_call_p): New.
            * analyzer.h (is_pipe_call_p): New decl.
            * region-model.cc (region_model::on_call_pre): Use it.
            (region_model::on_call_post): Likewise.

    gcc/testsuite/ChangeLog:
            PR analyzer/107486
            * gcc.dg/analyzer/pipe-pr107486.c: New test.
            * gcc.dg/analyzer/pipe-void-return.c: New test.

    Signed-off-by: David Malcolm <dmalcolm@redhat.com>

[Bug analyzer/107486] [13 Regression] ICE when pipe's argument is not a pointer type

[dmalcolm at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107486

David Malcolm <dmalcolm at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|---                         |FIXED
             Status|ASSIGNED                    |RESOLVED

--- Comment #3 from David Malcolm <dmalcolm at gcc dot gnu.org> ---
Should be fixed by the above commit.

[Bug analyzer/107486] [13 Regression] ICE when pipe's argument is not a pointer type

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107486

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Target Milestone|---                         |13.0