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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 c++/96994] Missing code from consteval constructor initializing const variable
Date: Mon, 05 Oct 2020 08:25:00 +0000	[thread overview]
Message-ID: <bug-96994-4-wXkfWN9OwS@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-96994-4@http.gcc.gnu.org/bugzilla/>

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96994

--- Comment #10 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:2513dad670c00dd9db3a85be348f6f4020b18b81

commit r10-8853-g2513dad670c00dd9db3a85be348f6f4020b18b81
Author: Jakub Jelinek <jakub@redhat.com>
Date:   Thu Oct 1 11:18:35 2020 +0200

    c++: Fix up default initialization with consteval default ctor [PR96994]

    > > The following testcase is miscompiled (in particular the a and i
    > > initialization).  The problem is that build_special_member_call due to
    > > the immediate constructors (but not evaluated in constant expression
mode)
    > > doesn't create a CALL_EXPR, but returns a TARGET_EXPR with CONSTRUCTOR
    > > as the initializer for it,
    >
    > That seems like the bug; at the end of build_over_call, after you
    >
    > >        call = cxx_constant_value (call, obj_arg);
    >
    > You need to build an INIT_EXPR if obj_arg isn't a dummy.

    That works.  obj_arg is NULL if it is a dummy from the earlier code.

    2020-10-01  Jakub Jelinek  <jakub@redhat.com>

            PR c++/96994
            * call.c (build_over_call): If obj_arg is non-NULL, return
INIT_EXPR
            setting obj_arg to call.

            * g++.dg/cpp2a/consteval18.C: New test.

    (cherry picked from commit 56da736cc6ced0f1c339744321a14ae569db8606)

  parent reply	other threads:[~2020-10-05  8:25 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-09-09 11:27 [Bug c++/96994] New: " sbergman at redhat dot com
2020-09-09 22:06 ` [Bug c++/96994] " mpolacek at gcc dot gnu.org
2020-09-10 17:52 ` jakub at gcc dot gnu.org
2020-09-10 17:55 ` jakub at gcc dot gnu.org
2020-09-10 18:00 ` mpolacek at gcc dot gnu.org
2020-09-10 18:10 ` jakub at gcc dot gnu.org
2020-09-10 18:11 ` jakub at gcc dot gnu.org
2020-09-14 13:11 ` jakub at gcc dot gnu.org
2020-09-21 20:08 ` mpolacek at gcc dot gnu.org
2020-10-01  9:19 ` cvs-commit at gcc dot gnu.org
2020-10-05  8:25 ` cvs-commit at gcc dot gnu.org [this message]
2021-04-20 15:12 ` jakub at gcc dot gnu.org

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