From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id C8A5F3858415; Tue, 2 Nov 2021 20:28:37 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org C8A5F3858415 From: "ibuclaw at gdcproject dot org" To: gcc-bugs@gcc.gnu.org Subject: [Bug d/103040] [12 Regression] gdc.dg/torture/pr101273.d FAILs Date: Tue, 02 Nov 2021 20:28:37 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: d X-Bugzilla-Version: 12.0 X-Bugzilla-Keywords: wrong-code X-Bugzilla-Severity: normal X-Bugzilla-Who: ibuclaw at gdcproject dot org X-Bugzilla-Status: NEW X-Bugzilla-Resolution: X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: ibuclaw at gdcproject dot org X-Bugzilla-Target-Milestone: 12.0 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 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: Tue, 02 Nov 2021 20:28:37 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D103040 --- Comment #14 from Iain Buclaw --- (In reply to hubicka from comment #13) > > See above comments from Iain, even if that pre-initialization is remove= d it is > > still miscompiled. And, the testcase fails not because of the padding = bits not > > being zero, but because the address of self stored into one of the fiel= ds isn't > > there or modref thinks it can't be changed or set to that. But for > > corresponding C++ it handles it ok. > Perhaps TREE_ADDRESSABLE on the type which is being used to test whether > return slot pointer may escape. Non-POD types (all classes, and any struct with a postblit, copyctor, or dt= or) already have TREE_ADDRESSABLE set on the RECORD_TYPE.=