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 1F2B438582B0; Fri, 24 Feb 2023 02:12:39 +0000 (GMT)
DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 1F2B438582B0
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org;
	s=default; t=1677204759;
	bh=yBs4Xj+EvLVmdDJFnxeKHXYjx1mtjs9F69gLs/1c/fw=;
	h=From:To:Subject:Date:In-Reply-To:References:From;
	b=fuInAk4n4dlrFfHqvVc67LsjPlIDaliq6oVKSaipPdPusA/T8PkLZ+hvB7YFVMh1g
	 UsR45qmJRpTZUOR7H6uqVfC0Jx1IhwCXWn9D5co2pRom82EKVOqBZEIHRXT10Nu1Wg
	 +YhP+5PC8KV0FXvuP3M/E2hJ4FmAwbOokPM7uCh4=
From: "ibuclaw at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug d/106977] [13 regression] d21 dies with SIGBUS on 32-bit Darwin
Date: Fri, 24 Feb 2023 02:12:37 +0000
X-Bugzilla-Reason: CC
X-Bugzilla-Type: changed
X-Bugzilla-Watch-Reason: None
X-Bugzilla-Product: gcc
X-Bugzilla-Component: d
X-Bugzilla-Version: 13.0
X-Bugzilla-Keywords: ice-on-valid-code
X-Bugzilla-Severity: normal
X-Bugzilla-Who: ibuclaw at gcc dot gnu.org
X-Bugzilla-Status: NEW
X-Bugzilla-Resolution: 
X-Bugzilla-Priority: P4
X-Bugzilla-Assigned-To: ibuclaw at gdcproject dot org
X-Bugzilla-Target-Milestone: 13.0
X-Bugzilla-Flags: 
X-Bugzilla-Changed-Fields: 
Message-ID: <bug-106977-4-q0aBKQiQak@http.gcc.gnu.org/bugzilla/>
In-Reply-To: <bug-106977-4@http.gcc.gnu.org/bugzilla/>
References: <bug-106977-4@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=3D106977

--- Comment #22 from ibuclaw at gcc dot gnu.org ---
(In reply to ibuclaw from comment #21)
> There is something about the Darwin ABI I'm just not getting from looking=
 at
> the front-end alone though:
Taken from a test Iain had sent me, and I've subsequently modified.
```
struct Visibility
{
    enum Kind
    {
        undefined, none, private_,
        package_, protected_,
        public_, export_
    };
    Kind kind;
    void *pkg;
};

class Bar
{
public:
    int x;
    virtual Visibility vis ();
};

Visibility Bar::vis () { return Visibility (); }

class Foo  : public Bar
{
public:
    Visibility v;
    int y;
    Visibility vis () override final;
};

Visibility Foo::vis () { return v; }

int test (Bar *foo)
{
    Visibility vis;
    vis =3D foo->vis ();
    return vis.kind;
}
```=