From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 6ECCF385B833; Fri, 3 Apr 2020 15:48:25 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 6ECCF385B833 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1585928905; bh=eE1IfjfnBM93jDfEqVf7wI4q7nBFSz9iuhszShsGSJI=; h=From:To:Subject:Date:From; b=NT4yHM+rqM1T7s3yIw3qZGs/fxEkdVyIHQx8lWPTiuR+JSTJ/Gf+FgxNzELIo/GEv d2OqW/WqSWlDM8NkR9l5fYuLOrPpFQ4TZkm8IdnDU1wD4udTQ8Hqolex9DY/E/mnla 0+/0W6HcYfuAfXG3fI+zo6IWizuYOFEQVdEyi0VU= From: "florin.iucha at amd dot com" To: gcc-bugs@gcc.gnu.org Subject: [Bug c/94473] New: internal compiler error: verify_ssa failed Date: Fri, 03 Apr 2020 15:48:25 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: c X-Bugzilla-Version: 10.0 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: florin.iucha at amd dot com 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: bug_id short_desc product version bug_status bug_severity priority component assigned_to reporter target_milestone Message-ID: 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: Fri, 03 Apr 2020 15:48:25 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D94473 Bug ID: 94473 Summary: internal compiler error: verify_ssa failed Product: gcc Version: 10.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c Assignee: unassigned at gcc dot gnu.org Reporter: florin.iucha at amd dot com Target Milestone: --- This is a regression between these two versions: gcc version 10.0.1 20200324 (experimental) (GCC) --- OK gcc version 10.0.1 20200402 (experimental) (GCC) --- 25839b6af9f10b3227719db35b9e9e38320341e7 fails It is likely the version that passed was b599bf9d6d1e180d350b71e51e08a66a1bb1546a but I am not 100% certain. How to reproduce: $ git clone https://github.com/glennrp/libpng $ cd libpng $ git checkout v1.6.37 $ CC=3D/opt/gcc10-for-tng/bin/gcc-10 CXX=3D/opt/gcc10-for-tng/bin/g++-10 ./configure $ make $ /opt/gcc10-for-tng/bin/gcc-10 -DPNG_INTEL_SSE_OPT=3D1 -I. -O3 -DNDEBUG -o pngrutil.opt.o -c pngrutil.c pngrutil.c: In function 'png_combine_row': pngrutil.c:3200:1: error: missing definition 3200 | png_combine_row(png_const_structrp png_ptr, png_bytep dp, int displ= ay) | ^~~~~~~~~~~~~~~ for SSA_NAME: _350 in statement: dp32_155 =3D _350; during GIMPLE pass: vect pngrutil.c:3200:1: internal compiler error: verify_ssa failed 0xff15f2 verify_ssa(bool, bool) ../../gcc/gcc/tree-ssa.c:1208 0xd0abb5 execute_function_todo ../../gcc/gcc/passes.c:1992 0xd0b8fc do_per_function ../../gcc/gcc/passes.c:1640 0xd0b8fc execute_todo ../../gcc/gcc/passes.c:2039 Please submit a full bug report, with preprocessed source if appropriate.=