From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 707003858C60; Wed, 8 Feb 2023 18:58:29 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 707003858C60 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1675882709; bh=tW0wAb1JkQ9asK/GTm75AdjSvYlMMo4CDP51aXjg1XI=; h=From:To:Subject:Date:In-Reply-To:References:From; b=pZ5DRvhNWtAuOGpFH0E0irvGTyYR+AfOvNNfoljb/rND+q6ipmN6SrFU3w8uAXSik t0LVfY/SnYirclQGTYqCdUWL01ws+SMloODesxvVC2LXcMDRhvsOhqiWwhk7N1oz36 CnsN0/oiDIkG9MtQeue98VdikLhnJcCfX+QXICYc= From: "dmalcolm at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug analyzer/108704] Many -Wanalyzer-use-of-uninitialized-value false positives seen in qemu's softfloat.c Date: Wed, 08 Feb 2023 18:58:29 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: analyzer X-Bugzilla-Version: 13.0 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: dmalcolm at gcc dot gnu.org X-Bugzilla-Status: ASSIGNED X-Bugzilla-Resolution: X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: dmalcolm at gcc dot gnu.org X-Bugzilla-Target-Milestone: 13.0 X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: short_desc 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=3D108704 David Malcolm changed: What |Removed |Added ---------------------------------------------------------------------------- Summary|[13 Regression] Many |Many |-Wanalyzer-use-of-uninitial |-Wanalyzer-use-of-uninitial |ized-value false positives |ized-value false positives |seen in qemu's softfloat.c |seen in qemu's softfloat.c --- Comment #4 from David Malcolm --- Should be fixed on trunk for GCC 13 by the above commit. I introduced the bug in r12-7718-gfaacafd2306ad7 so in theory it affects GC= C 12 as well, but I haven't been able to reproduce it there. The bug is probably present there but latent, so I'm keeping this bug open to track backporting= the fix to the gcc 12 branch.=