From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 7A2FA3858D28; Fri, 6 Jan 2023 06:31:14 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 7A2FA3858D28 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1672986674; bh=Qf/iyoBkwABDhTqwkfVDt4LMArWm8END/wlkynDvqYU=; h=From:To:Subject:Date:In-Reply-To:References:From; b=iZ4f1TtMkKpcv/5iHNrlOBntzrTmWWOE4Qlw4d4hXqb/shsdA5MGYls1xuvL81ori o4PUBFPZl4QBvAZ70v2punlSJWmXagXSfTPhQc3mwpPChH69KD7/lZGNphDYJml1tg 1cZ/b88RPbHDfk6mrK6RFBZDHoMZccmlnXXRIKxs= From: "tim at klingt dot org" To: gcc-bugs@gcc.gnu.org Subject: [Bug c++/108309] [12 Regression] ICE in in cxx_eval_component_reference, at cp/constexpr.cc:4136 Date: Fri, 06 Jan 2023 06:31:14 +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: 12.2.0 X-Bugzilla-Keywords: ice-on-valid-code, needs-bisection X-Bugzilla-Severity: normal X-Bugzilla-Who: tim at klingt dot 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: 12.3 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=3D108309 --- Comment #3 from tim blechmann --- > That is a conditionally supported construct in C++. clang does not suppor= t it but GCC does.=20 >=20 > GCC does warn with -Wconditionally-supported interesting. i may have to reduce it manually rather than going through cvi= se: the real-world code builds with clang and gcc doesn't seem to emit a warning with -Wconditionally-supported=