From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id BBF3D385842E; Thu, 14 Jul 2022 17:24:47 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org BBF3D385842E From: "zhendong.su at inf dot ethz.ch" To: gcc-bugs@gcc.gnu.org Subject: [Bug c/106306] New: ICE on valid code at -O1 with -funreachable-traps -floop-unroll-and-jam --param unroll-jam-min-percent=0: in execute_todo, at passes.cc:2140 Date: Thu, 14 Jul 2022 17:24:47 +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: unknown X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: zhendong.su at inf dot ethz.ch 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: Thu, 14 Jul 2022 17:24:47 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D106306 Bug ID: 106306 Summary: ICE on valid code at -O1 with -funreachable-traps -floop-unroll-and-jam --param unroll-jam-min-percent=3D0: in execute_todo, at passes.cc:2140 Product: gcc Version: unknown Status: UNCONFIRMED Severity: normal Priority: P3 Component: c Assignee: unassigned at gcc dot gnu.org Reporter: zhendong.su at inf dot ethz.ch Target Milestone: --- Compiler Explorer: https://godbolt.org/z/doY9jPM54 [547] % gcctk -v Using built-in specs. COLLECT_GCC=3Dgcctk COLLECT_LTO_WRAPPER=3D/local/suz-local/software/local/gcc-trunk/libexec/gcc= /x86_64-pc-linux-gnu/13.0.0/lto-wrapper Target: x86_64-pc-linux-gnu Configured with: ../gcc-trunk/configure --disable-bootstrap --prefix=3D/local/suz-local/software/local/gcc-trunk --enable-sanitizers --enable-languages=3Dc,c++ --disable-werror --enable-multilib --with-system= -zlib Thread model: posix Supported LTO compression algorithms: zlib gcc version 13.0.0 20220714 (experimental) [master r13-1696-g29f40a8047f] (= GCC)=20 [548] %=20 [548] % gcctk -O1 -funreachable-traps -floop-unroll-and-jam --param unroll-jam-min-percent=3D0 small.c during GIMPLE pass: ivcanon small.c: In function =E2=80=98main=E2=80=99: small.c:2:5: internal compiler error: in execute_todo, at passes.cc:2140 2 | int main() { | ^~~~ 0x719332 execute_todo ../../gcc-trunk/gcc/passes.cc:2140 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. [549] %=20 [549] % cat small.c int a[2], b, c; int main() { for (c =3D 0; c < 3; c++) for (b =3D 0; b < 2; b++) a[b] =3D 1; return 0; }=