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 9125239FE038; Fri, 17 Jul 2020 13:23:43 +0000 (GMT)
DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 9125239FE038
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org;
 s=default; t=1594992223;
 bh=me7MrK24SYoemjLjxU+dy+3SaW7BsH6fquis8QDTBpI=;
 h=From:To:Subject:Date:In-Reply-To:References:From;
 b=a53aYqhGMi9kGV4S7Opue2dQmiVZWpkJQIdqs0MZRK7Kk9Jw/9dhAVQZkOLWMZ0fx
 KVgEFC+SBwolGBlMVogrbspyk37/Ac1lO7EWnSj/wkkV9elKaM01to7+WSc3jmgjM1
 rngW8dlJDi5fbGHVIcuhQnbxLhlCcNofy6BQcNSE=
From: "rguenther at suse dot de" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug bootstrap/96203] [11 Regression] LTO bootstrap with
 --enable-cet is broken
Date: Fri, 17 Jul 2020 13:23:43 +0000
X-Bugzilla-Reason: CC
X-Bugzilla-Type: changed
X-Bugzilla-Watch-Reason: None
X-Bugzilla-Product: gcc
X-Bugzilla-Component: bootstrap
X-Bugzilla-Version: 11.0
X-Bugzilla-Keywords: 
X-Bugzilla-Severity: normal
X-Bugzilla-Who: rguenther at suse dot de
X-Bugzilla-Status: WAITING
X-Bugzilla-Resolution: 
X-Bugzilla-Priority: P3
X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org
X-Bugzilla-Target-Milestone: 11.0
X-Bugzilla-Flags: 
X-Bugzilla-Changed-Fields: 
Message-ID: <bug-96203-4-lDnqVPxYyG@http.gcc.gnu.org/bugzilla/>
In-Reply-To: <bug-96203-4@http.gcc.gnu.org/bugzilla/>
References: <bug-96203-4@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
X-BeenThere: gcc-bugs@gcc.gnu.org
X-Mailman-Version: 2.1.29
Precedence: list
List-Id: Gcc-bugs mailing list <gcc-bugs.gcc.gnu.org>
List-Unsubscribe: <http://gcc.gnu.org/mailman/options/gcc-bugs>,
 <mailto:gcc-bugs-request@gcc.gnu.org?subject=unsubscribe>
List-Archive: <https://gcc.gnu.org/pipermail/gcc-bugs/>
List-Post: <mailto:gcc-bugs@gcc.gnu.org>
List-Help: <mailto:gcc-bugs-request@gcc.gnu.org?subject=help>
List-Subscribe: <http://gcc.gnu.org/mailman/listinfo/gcc-bugs>,
 <mailto:gcc-bugs-request@gcc.gnu.org?subject=subscribe>
X-List-Received-Date: Fri, 17 Jul 2020 13:23:43 -0000

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D96203

--- Comment #15 from rguenther at suse dot de <rguenther at suse dot de> ---
On Fri, 17 Jul 2020, hjl.tools at gmail dot com wrote:

> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D96203
>=20
> --- Comment #14 from H.J. Lu <hjl.tools at gmail dot com> ---
> (In reply to Richard Biener from comment #13)
> > (In reply to H.J. Lu from comment #12)
> > > Please this patch.
> >=20
> > /* Merge and update the -fcf-protection option.  */
> >=20
> > but here you take the setting from the last file rather than merging it,
> > I'd have expected a |=3D operation and also handling of CF_FULL for the
> > string update.
>=20
> The code has
>=20
>            /* Merge and update the -fcf-protection option.  */
> +           (*decoded_options)[j].value &=3D (foption->value
> +                       & CF_FULL);
>=20
> It must be "&=3D" not "|=3D" since CET features are enabled only if they =
are
> enabled in ALL LTO inputs.

OK, so it mimics what the dynamic loader would do (and also the
link editor?).=