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From: "cvs-commit at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug middle-end/108435] [13 Regression] ICE in as_a, at is-a.h:242
 since r13-142-g705bcedf6eae2d7c
Date: Fri, 10 Feb 2023 17:46:31 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D108435

--- Comment #8 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The releases/gcc-12 branch has been updated by Jakub Jelinek
<jakub@gcc.gnu.org>:

https://gcc.gnu.org/g:8e74c4389ce242b571cc182b19e88b7c08656145

commit r12-9150-g8e74c4389ce242b571cc182b19e88b7c08656145
Author: Jakub Jelinek <jakub@redhat.com>
Date:   Thu Feb 2 09:54:18 2023 +0100

    nested, openmp: Wrap OMP_CLAUSE_*_GIMPLE_SEQ into GIMPLE_BIND for
declare_vars [PR108435]

    When gimplifying OMP_CLAUSE_{LASTPRIVATE,LINEAR}_STMT, we wrap it always
    into a GIMPLE_BIND, but when putting statements directly into
    OMP_CLAUSE_{LASTPRIVATE,LINEAR}_GIMPLE_SEQ, we do it only if needed (th=
ere
    are any temporaries that need to be declared in the sequence).
    convert_nonlocal_omp_clauses was relying on the GIMPLE_BIND to be there
always
    because it called declare_vars on it.

    The following patch wraps it into GIMPLE_BIND in tree-nested if we need=
 to
    declare_vars on it on demand.

    2023-02-02  Jakub Jelinek  <jakub@redhat.com>

            PR middle-end/108435
            * tree-nested.cc (convert_nonlocal_omp_clauses)
            <case OMP_CLAUSE_LASTPRIVATE>: If info->new_local_var_chain and
*seq
            is not a GIMPLE_BIND, wrap the sequence into a new GIMPLE_BIND
            before calling declare_vars.
            (convert_nonlocal_omp_clauses) <case OMP_CLAUSE_LINEAR>: Merge
            with the OMP_CLAUSE_LASTPRIVATE handling except for whether
            seq is initialized to &OMP_CLAUSE_LASTPRIVATE_GIMPLE_SEQ (claus=
e)
            or &OMP_CLAUSE_LINEAR_GIMPLE_SEQ (clause).

            * gcc.dg/gomp/pr108435.c: New test.

    (cherry picked from commit 0f349928e16fdc7dba52561e8d40347909f9f0ff)=