From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id C2B473857808; Sun, 7 Feb 2021 13:50:26 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org C2B473857808 From: "brechtsanders at users dot sourceforge.net" To: gcc-bugs@gcc.gnu.org Subject: [Bug c/97618] undefined reference to LC11 building for target MinGW-w64 32-bit Date: Sun, 07 Feb 2021 13:50:26 +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: 11.0 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: brechtsanders at users dot sourceforge.net 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: 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: Sun, 07 Feb 2021 13:50:26 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D97618 --- Comment #4 from Brecht Sanders --- Found a smaller project to reproduce the issue with: building BLAKE3 v0.3.7 from https://github.com/BLAKE3-team/BLAKE3 also has the issue when building with GCC11 for 32-bit MinGW-w64. Here I noticed that compiling with -O0 works around the problem, so the iss= ue must be in the compiler optimization for i686.=