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From: "cvs-commit at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug middle-end/107236] [OpenMP] ICE for reverse offload: in
 expand_GOMP_TARGET_REV, at internal-fn.cc:376
Date: Mon, 24 Oct 2022 13:20:38 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D107236

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

https://gcc.gnu.org/g:178ac530fe67e4f2fc439cc4ce89bc19d571ca31

commit r13-3455-g178ac530fe67e4f2fc439cc4ce89bc19d571ca31
Author: Tobias Burnus <tobias@codesourcery.com>
Date:   Mon Oct 24 15:19:00 2022 +0200

    OpenMP: Fix reverse offload GOMP_TARGET_REV IFN corner cases [PR107236]

    For 'target parallel' and similarly nested directives, cgraph_node's
    calls_declare_variant_alt was not set in the parent region node but in
    cfun->decl. Hence, pass_omp_device_lower did not process handle the
    internal function GOMP_TARGET_REV. - Solution is to set it to the
    DECL_CONTEXT, which is set in adjust_context_and_scope.

    The cgraph_node::create_clone issue is exposed with -O2 for the existing
    libgomp.fortran/reverse-offload-1.f90.

            PR middle-end/107236

    gcc/ChangeLog:
            * omp-expand.cc (expand_omp_target): Set calls_declare_variant_=
alt
            in DECL_CONTEXT and not to cfun->decl.
            * cgraphclones.cc (cgraph_node::create_clone): Copy also the
            node's calls_declare_variant_alt value.

    gcc/testsuite/ChangeLog:
            * gfortran.dg/gomp/target-device-ancestor-6.f90: New test.=