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Subject: [Bug c++/100111] [10 Regression] `-fno-elide-constructors` with
 `constexpr` ctors causes ICE in GCC 10.3
Date: Tue, 20 Apr 2021 09:46:29 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D100111

--- Comment #9 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The releases/gcc-10 branch has been updated by Jakub Jelinek
<jakub@gcc.gnu.org>:

https://gcc.gnu.org/g:31447dcaf15c37e5b9c42b2984f4c8b649fe9b74

commit r10-9730-g31447dcaf15c37e5b9c42b2984f4c8b649fe9b74
Author: Jakub Jelinek <jakub@redhat.com>
Date:   Fri Apr 16 17:37:07 2021 +0200

    c++: Fix empty base stores in cxx_eval_store_expression [PR100111]

    In r11-6895 handling of empty bases has been fixed such that non-lval
    stores of empty classes are not added when the type of *valp doesn't
    match the type of the initializer, but as this testcase shows it is
    done only when *valp is non-NULL.  If it is NULL, we still shouldn't
    add empty class constructors if the type of the constructor elt *valp
    points to doesn't match.

    2021-04-16  Jakub Jelinek  <jakub@redhat.com>

            PR c++/100111
            * constexpr.c (cxx_eval_store_expression): Don't add CONSTRUCTO=
Rs
            for empty classes into *valp when types don't match even when *=
valp
            is NULL.

            * g++.dg/cpp0x/constexpr-100111.C: New test.

    (cherry picked from commit 35e8b38a91d9fb49a4759649576f15e76c129d99)=