From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 6DBEE3858C3A; Mon, 20 Sep 2021 21:19:04 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 6DBEE3858C3A From: "arthur.j.odwyer at gmail dot com" To: gcc-bugs@gcc.gnu.org Subject: [Bug c++/81157] If constexpr does not support Short-circuit evaluation Date: Mon, 20 Sep 2021 21:19:04 +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: 7.1.0 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: arthur.j.odwyer at gmail dot com X-Bugzilla-Status: UNCONFIRMED 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: cc 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 X-BeenThere: gcc-bugs@gcc.gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gcc-bugs mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 20 Sep 2021 21:19:04 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D81157 Arthur O'Dwyer changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |arthur.j.odwyer at gmail d= ot com --- Comment #1 from Arthur O'Dwyer --- I'd say neither a bug nor a defect. In `if constexpr (X && Y)`, `X && Y` is= an expression and it must be well-formed, even if it's false -- just like if y= ou did `static_assert((X && Y) =3D=3D false)`. GCC is behaving according to th= e C++ Standard in this case. Recommend closing as INVALID.=