From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 42C013858410; Sat, 9 Dec 2023 14:22:24 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 42C013858410 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1702131744; bh=SukQb0Sq382AGX7QQma856AQxYYIw9FSDf2hSH3irrE=; h=From:To:Subject:Date:From; b=BeKEV4qG/JvVIiPHHaOf4P9qGZaCLyMgDDcLLaUKXIpgok+hjmQhEN8fNENm8jpPG fzPxFvL7tu92EY4Jvl5sKAEyxB3btY8lrJZNVWc7N4D/CgZQEtbc0FmeHpLE7opw7u m6ruBl8Q6KOU6yDbGCLttOpcN1BEPN3t92bEUpIg= From: "zsojka at seznam dot cz" To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/112940] New: ICE: verify_ssa failed: definition in block 4 does not dominate use in block 8 at -O with _BitInt() Date: Sat, 09 Dec 2023 14:22:23 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: tree-optimization X-Bugzilla-Version: 14.0 X-Bugzilla-Keywords: ice-on-valid-code X-Bugzilla-Severity: normal X-Bugzilla-Who: zsojka at seznam dot cz 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 keywords bug_severity priority component assigned_to reporter cc target_milestone cf_gcchost cf_gcctarget attachments.created 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 List-Id: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D112940 Bug ID: 112940 Summary: ICE: verify_ssa failed: definition in block 4 does not dominate use in block 8 at -O with _BitInt() Product: gcc Version: 14.0 Status: UNCONFIRMED Keywords: ice-on-valid-code Severity: normal Priority: P3 Component: tree-optimization Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz CC: jakub at gcc dot gnu.org Target Milestone: --- Host: x86_64-pc-linux-gnu Target: x86_64-pc-linux-gnu Created attachment 56840 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=3D56840&action=3Dedit reduced testcase Compiler output: $ x86_64-pc-linux-gnu-gcc -O testcase.c testcase.c: In function 'foo': testcase.c:4:1: error: definition in block 4 does not dominate use in block= 8 4 | foo (long x) | ^~~ for SSA_NAME: _15 in statement: _14 =3D PHI <_10(2), _15(8)> PHI argument _15 for PHI node _14 =3D PHI <_10(2), _15(8)> during GIMPLE pass: bitintlower testcase.c:4:1: internal compiler error: verify_ssa failed 0x175f8bf verify_ssa(bool, bool) /repo/gcc-trunk/gcc/tree-ssa.cc:1203 0x13b4355 execute_function_todo /repo/gcc-trunk/gcc/passes.cc:2095 0x13b47be execute_todo /repo/gcc-trunk/gcc/passes.cc:2142 Please submit a full bug report, with preprocessed source (by using -freport-bug). Please include the complete backtrace with any bug report. See for instructions. $ x86_64-pc-linux-gnu-gcc -v Using built-in specs. COLLECT_GCC=3D/repo/gcc-trunk/binary-latest-amd64/bin/x86_64-pc-linux-gnu-g= cc COLLECT_LTO_WRAPPER=3D/repo/gcc-trunk/binary-trunk-r14-6356-20231209102837-= g36be2a0e91c-checking-yes-rtl-df-extra-nobootstrap-amd64/bin/../libexec/gcc= /x86_64-pc-linux-gnu/14.0.0/lto-wrapper Target: x86_64-pc-linux-gnu Configured with: /repo/gcc-trunk//configure --enable-languages=3Dc,c++ --enable-valgrind-annotations --disable-nls --enable-checking=3Dyes,rtl,df,= extra --disable-bootstrap --with-cloog --with-ppl --with-isl --build=3Dx86_64-pc-linux-gnu --host=3Dx86_64-pc-linux-gnu --target=3Dx86_64-pc-linux-gnu --with-ld=3D/usr/bin/x86_64-pc-linux-gnu-ld --with-as=3D/usr/bin/x86_64-pc-linux-gnu-as --disable-libstdcxx-pch --prefix=3D/repo/gcc-trunk//binary-trunk-r14-6356-20231209102837-g36be2a0e9= 1c-checking-yes-rtl-df-extra-nobootstrap-amd64 Thread model: posix Supported LTO compression algorithms: zlib zstd gcc version 14.0.0 20231209 (experimental) (GCC)=