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 BDCA43858C50; Wed, 10 Apr 2024 13:24:01 +0000 (GMT)
DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org BDCA43858C50
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org;
	s=default; t=1712755441;
	bh=2XRrTFEdcrhiIDxd6eD31xbWg2WtlRkixiySeBYYWso=;
	h=From:To:Subject:Date:In-Reply-To:References:From;
	b=qwSQFmBFdrFNO4sw2ZaiGB6fedk0yM0eYEw+TtYZQMWBvxDR+FLyw6m7PGIFQ1CeX
	 GdNaJwAzJU3LR8Mvrb9QTFp0e6O0SEM6oyJjw+d0yoqzDkjsVqpKNViGRJIkMJnWB4
	 rMOYguun1/w/2NUq7KkpsZFyprN6JsK3578D3UoA=
From: "nshead at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c++/114600] [14 Regression] [modules] redefinition errors when
 using certain std headers in GMF
Date: Wed, 10 Apr 2024 13:24:00 +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: 14.0
X-Bugzilla-Keywords: ice-on-valid-code, rejects-valid
X-Bugzilla-Severity: normal
X-Bugzilla-Who: nshead at gcc dot gnu.org
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: 14.0
X-Bugzilla-Flags: 
X-Bugzilla-Changed-Fields: 
Message-ID: <bug-114600-4-FmLshh5qYn@http.gcc.gnu.org/bugzilla/>
In-Reply-To: <bug-114600-4@http.gcc.gnu.org/bugzilla/>
References: <bug-114600-4@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=3D114600

--- Comment #6 from Nathaniel Shead <nshead at gcc dot gnu.org> ---
(In reply to Patrick Palka from comment #5)
> (In reply to Nathaniel Shead from comment #4)
> > I'm not yet sure exactly why my patch caused this to start failing thou=
gh;
> > it sounds like it's exporting some using-decls even though they aren't
> > directly exported, which I suppose is still a bug in its own right.
> Hmm, should the check added to add_binding_entity
>   flags & (WMB_Using | WMB_Export)
> instead be
>   (flags & WMB_Using) && (flags & WMB_Export)
> ?

Right, of course, thanks.  This fixes this issue, but while constructing so=
me
test cases I've found a number of other issues with exported using-decls.  =
I'll
submit a patch series hopefully soonish to fix the issues I can.=