From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 655BA384F6E8; Mon, 21 Nov 2022 18:19:40 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 655BA384F6E8 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1669054780; bh=TUJdDOISoY388vCfNIqOsu47hoBalkUrbE/pCj/Ai4o=; h=From:To:Subject:Date:In-Reply-To:References:From; b=YNxkWoD5rPfaFViqFOmX5hvWU1nVhgTZ+X3JlTCLdGTtTlgnCKOqpkRA1im5xCUdw YoNeBLvG57+kHiCPe3LBlaCi/bNEYlzXSX9Jmwc0gqF8Jgkf+ESrHpwHtEeo6Eokjm ixcla+aQjyGfCCD6f0NZI1XDSVId2D0RXDnggU0M= From: "pinskia at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug c++/107797] "warning right operand of comma operator has no effect" for expressions with no comma operator Date: Mon, 21 Nov 2022 18:19:39 +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: 13.0 X-Bugzilla-Keywords: diagnostic X-Bugzilla-Severity: normal X-Bugzilla-Who: pinskia 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: --- X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: 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: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D107797 --- Comment #3 from Andrew Pinski --- (gdb) p debug_generic_expr(expr) (long int) (int *) D.2758 ... 1209 if (implicit !=3D ICV_CAST && !warning_suppressed_p (expr /= * What warning? */)) 1210 new_op1 =3D convert_to_void (op1, ICV_RIGHT_OF_COMMA, complain); 1211 else 1212 new_op1 =3D convert_to_void (op1, ICV_CAST, complain); I suspect there was a missing supression for the compound_expr creation when creating it.=