From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 9FF9A3858CD1; Thu, 18 Jan 2024 19:23:50 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 9FF9A3858CD1 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1705605830; bh=oeCpg7nNJG8MVgnEURK+CqWwgkqWgj1rizFEHKFUSkg=; h=From:To:Subject:Date:In-Reply-To:References:From; b=oVHATcJhOgv/IvjXvXjTAVTi3E3OXaNTXfKUS0R5h7l3igsd+TcyfN+eqIQcsAwpi ONVhUkKQDR6zwXhTD6/8B/4sAXNlFqvfN/dLuSbGmPJPNIuXqIiTpRmsrsYzsTrKJJ akDyBy/xx5xsyyunmMKnprZpK0W0OuL4/nALykzM= From: "mpolacek at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug c++/113111] -Werror=uninitialized is not consistent for optimization level 0 or -std=before-c++20 Date: Thu, 18 Jan 2024 19:23:49 +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: unknown X-Bugzilla-Keywords: diagnostic X-Bugzilla-Severity: normal X-Bugzilla-Who: mpolacek 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: everconfirmed cc bug_status cf_reconfirmed_on 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=3D113111 Marek Polacek changed: What |Removed |Added ---------------------------------------------------------------------------- Ever confirmed|0 |1 CC| |mpolacek at gcc dot gnu.org Status|UNCONFIRMED |NEW Last reconfirmed| |2024-01-18 --- Comment #1 from Marek Polacek --- Confirmed, if for nothing else then for our ugly diagnostic. clang++ says: 113111.C:13:9: warning: variable 'd' is uninitialized when used within its = own initialization [-Wuninitialized] 11 | Dummy d =3D | ~ 12 | { 13 | d.val =3D "random text #########################################################" | ^ Much better than a wall of text showing internal code... :/=