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Subject: [Bug c++/113083] [14 Regression][arm] ICE in fold_convert_loc, at
 fold-const.cc:2602 since r14-5979-g99d114c15523e0
Date: Fri, 23 Feb 2024 17:56:08 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D113083

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

https://gcc.gnu.org/g:fdf9df9d55802e1d8ff0bd14585ea61b2bb9d798

commit r14-9158-gfdf9df9d55802e1d8ff0bd14585ea61b2bb9d798
Author: Jakub Jelinek <jakub@redhat.com>
Date:   Fri Feb 23 18:55:12 2024 +0100

    c++: Fix ICE due to folding a call to constructor on cdtor_returns_this
arches (aka arm32) [PR113083]

    When targetm.cxx.cdtor_returns_this () (aka on arm32 TARGET_AAPCS_BASED)
    constructor is supposed to return this pointer, but when we cp_fold such
    a call, we don't take that into account and just INIT_EXPR the object,
    so we can later ICE during gimplification, because the expression doesn=
't
    have the right type.

    2024-02-23  Jakub Jelinek  <jakub@redhat.com>

            PR c++/113083
            * cp-gimplify.cc (cp_fold): For targetm.cxx.cdtor_returns_this =
()
            wrap r into a COMPOUND_EXPR and return folded CALL_EXPR_ARG (x,=
 0).

            * g++.dg/cpp0x/constexpr-113083.C: New test.=