From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <gcc-bugzilla@gcc.gnu.org>
Received: by sourceware.org (Postfix, from userid 48)
	id 7F2AA3858D1E; Fri, 13 Oct 2023 07:54:19 +0000 (GMT)
DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 7F2AA3858D1E
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org;
	s=default; t=1697183659;
	bh=edhOWJedY+7axdxcv1aqzxPgZo0wYEzOlipjL/9YC14=;
	h=From:To:Subject:Date:In-Reply-To:References:From;
	b=VNWgJiehXhMmt6dLg0CZyaqpr4U0+7AYTBzvEgoafH5GT0y+sVzUu+5jF2jAqPNwW
	 pfc87vCaPgFDsmrPHF/vlNwaYT1DkhbcGPuUPgl3uamvI/NCFpSgJ5wBwcza9NhDzP
	 s92gKKGoR9qOEZY3paFBATeVXHaE1+qBia5CdrZw=
From: "leni536 at gmail dot com" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c++/111776] ICE on delete expression with multiple viable
 destroying operator delete
Date: Fri, 13 Oct 2023 07:54:19 +0000
X-Bugzilla-Reason: CC
X-Bugzilla-Type: changed
X-Bugzilla-Watch-Reason: None
X-Bugzilla-Product: gcc
X-Bugzilla-Component: c++
X-Bugzilla-Version: 13.2.0
X-Bugzilla-Keywords: ice-on-valid-code
X-Bugzilla-Severity: normal
X-Bugzilla-Who: leni536 at gmail dot com
X-Bugzilla-Status: NEW
X-Bugzilla-Resolution: 
X-Bugzilla-Priority: P3
X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org
X-Bugzilla-Target-Milestone: ---
X-Bugzilla-Flags: 
X-Bugzilla-Changed-Fields: 
Message-ID: <bug-111776-4-3PR9q3Y77G@http.gcc.gnu.org/bugzilla/>
In-Reply-To: <bug-111776-4@http.gcc.gnu.org/bugzilla/>
References: <bug-111776-4@http.gcc.gnu.org/bugzilla/>
Content-Type: text/plain; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable
X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/
Auto-Submitted: auto-generated
MIME-Version: 1.0
List-Id: <gcc-bugs.sourceware.org>

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D111776

--- Comment #2 from L=C3=A9n=C3=A1rd Szolnoki <leni536 at gmail dot com> ---
Same ICE without destroying delete:

```
struct A {
    void operator delete(void *);
};

struct B {
    void operator delete(void *);
};

struct C : A, B {
    using A::operator delete;
    using B::operator delete;
};

void f(C* ptr) {
    delete ptr;
}
```

This goes back to GCC 7.

GCC 6 accepts it and calls `A::operator delete`, which is not much better.

https://godbolt.org/z/cczfdKoqb=