From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id D10D7386F454; Wed, 27 May 2020 03:15:26 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org D10D7386F454 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1590549326; bh=N99XT1+JLuuxNcPJt/DoIupahmGA52BfbridEpVj2a0=; h=From:To:Subject:Date:In-Reply-To:References:From; b=jfGm3Z4x8cQ8V0uWi9pX+BsjzO6L62fyRNet+mrQNEObUhXfvmYBf3H9Gxs0/hZ/2 ZYohs+ko6LO7WyB+03eRUhSt92jnFO1c1LpgeqQsQKTf1k9C5IPI3wam+H6uUmnXFq rZBnF9ROwWoxdBveTBESgh5SqXAfh+CaU4K19Jsw= From: "hjl.tools at gmail dot com" To: gcc-bugs@gcc.gnu.org Subject: [Bug middle-end/95353] [10/11 Regression] GCC can't build binutils Date: Wed, 27 May 2020 03:15:26 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: middle-end X-Bugzilla-Version: 10.1.1 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: hjl.tools at gmail dot com X-Bugzilla-Status: WAITING 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: attachments.created 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: Wed, 27 May 2020 03:15:26 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D95353 --- Comment #2 from H.J. Lu --- Created attachment 48612 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=3D48612&action=3Dedit a testcase $ gcc -O2 x.i -S /export/gnu/import/git/sources/binutils-gdb-release/gas/config/tc-csky.c: In function =E2=80=98md_convert_frag=E2=80=99: /export/gnu/import/git/sources/binutils-gdb-release/gas/config/tc-csky.c:45= 07:9: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=3D] 4507 | buf[1] =3D BYTE_1 (CSKYV1_INST_SUBI | (7 << 4)); | ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~=20=20=20=20=20=20= =20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20 /export/gnu/import/git/sources/binutils-gdb-release/gas/config/tc-csky.c:45= 08:9: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=3D] 4508 | buf[2] =3D BYTE_0 (CSKYV1_INST_STW | (15 << 8)); /* stw r15, r= 0. */ | ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~= ~~~~=20 /export/gnu/import/git/sources/binutils-gdb-release/gas/config/tc-csky.c:45= 09:9: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=3D] 4509 | buf[3] =3D BYTE_1 (CSKYV1_INST_STW | (15 << 8)); | ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~=20=20=20=20=20=20= =20=20=20=20=20=20=20=20=20=20=20=20=20=20 ...=