[Bug jit/111396] New: Segfault when using -flto with libgccjit

[Bug jit/111396] New: Segfault when using -flto with libgccjit

[bouanto at zoho dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111396

            Bug ID: 111396
           Summary: Segfault when using -flto with libgccjit
           Product: gcc
           Version: 13.1.1
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: jit
          Assignee: dmalcolm at gcc dot gnu.org
          Reporter: bouanto at zoho dot com
  Target Milestone: ---

Created attachment 55888
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=55888&action=edit
Reproducer for part of the bug

Hi.
There's a bug when compiling multiple times with -flto.
I attached a reproducer for a part of the bug.

(The other part of the bug should be fixed by
https://gcc.gnu.org/pipermail/jit/2023q3/001668.html.)

[Bug jit/111396] Segfault when using -flto with libgccjit

[dmalcolm at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111396

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
     Ever confirmed|0                           |1
   Last reconfirmed|                            |2023-09-13
             Status|UNCONFIRMED                 |ASSIGNED

--- Comment #1 from David Malcolm <dmalcolm at gcc dot gnu.org> ---
Thanks; I can reproduce the ICE with trunk, both with and without the patch you
reference.  Taking a look...

[Bug jit/111396] Segfault when using -flto with libgccjit

[bouanto at zoho dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111396

--- Comment #2 from Antoni <bouanto at zoho dot com> ---
Created attachment 56554
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=56554&action=edit
Patch fixing the issue

[Bug jit/111396] Segfault when using -flto with libgccjit

[cvs-commit at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111396

--- Comment #3 from GCC 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:8415bceea9d3ca86adc00ae8ad92deaec0457dd1

commit r14-7117-g8415bceea9d3ca86adc00ae8ad92deaec0457dd1
Author: Antoni Boucher <bouanto@zoho.com>
Date:   Wed Jan 10 17:13:20 2024 -0500

    libgccjit: Fix GGC segfault when using -flto

    gcc/ChangeLog:
            PR jit/111396
            * ipa-fnsummary.cc (ipa_fnsummary_cc_finalize): Call
            ipa_free_size_summary.
            * ipa-icf.cc (ipa_icf_cc_finalize): New function.
            * ipa-profile.cc (ipa_profile_cc_finalize): New function.
            * ipa-prop.cc (ipa_prop_cc_finalize): New function.
            * ipa-prop.h (ipa_prop_cc_finalize): New function.
            * ipa-sra.cc (ipa_sra_cc_finalize): New function.
            * ipa-utils.h (ipa_profile_cc_finalize, ipa_icf_cc_finalize,
            ipa_sra_cc_finalize): New functions.
            * toplev.cc (toplev::finalize): Call ipa_icf_cc_finalize,
            ipa_prop_cc_finalize, ipa_profile_cc_finalize and
            ipa_sra_cc_finalize
            Include ipa-utils.h.

    gcc/testsuite/ChangeLog:
            PR jit/111396
            * jit.dg/all-non-failing-tests.h: Add note about test-ggc-bugfix.
            * jit.dg/test-ggc-bugfix.c: New test.