From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 5C2893858D28; Mon, 25 Apr 2022 19:31:15 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 5C2893858D28 From: "zsojka at seznam dot cz" To: gcc-bugs@gcc.gnu.org Subject: [Bug target/105383] New: [11/12 Regression] ICE: in change_insns, at rtl-ssa/changes.cc:674 with -Os -fno-tree-dominator-opts -fno-tree-vrp -msseregparm -m32 Date: Mon, 25 Apr 2022 19:31:15 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: target X-Bugzilla-Version: 12.0 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 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 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: Mon, 25 Apr 2022 19:31:15 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D105383 Bug ID: 105383 Summary: [11/12 Regression] ICE: in change_insns, at rtl-ssa/changes.cc:674 with -Os -fno-tree-dominator-opts -fno-tree-vrp -msseregparm -m32 Product: gcc Version: 12.0 Status: UNCONFIRMED Keywords: ice-on-valid-code Severity: normal Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone: --- Host: x86_64-pc-linux-gnu Target: x86_64-pc-linux-gnu Created attachment 52873 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=3D52873&action=3Dedit reduced testcase Compiler output: $ x86_64-pc-linux-gnu-gcc -Os -fno-tree-dominator-opts -fno-tree-vrp -msseregparm -m32 testcase.c=20 during RTL pass: fwprop1 testcase.c: In function 'foo': testcase.c:12:1: internal compiler error: in change_insns, at rtl-ssa/changes.cc:674 11 | } | ^ 0xce7bdd rtl_ssa::function_info::change_insns(array_slice) /repo/gcc-trunk/gcc/rtl-ssa/changes.cc:674 0x2458417 rtl_ssa::function_info::change_insn(rtl_ssa::insn_change&) /repo/gcc-trunk/gcc/rtl-ssa/changes.cc:717 0x2306d68 try_fwprop_subst_pattern /repo/gcc-trunk/gcc/fwprop.cc:553 0x2306d68 try_fwprop_subst /repo/gcc-trunk/gcc/fwprop.cc:627 0x230748c forward_propagate_and_simplify /repo/gcc-trunk/gcc/fwprop.cc:823 0x230748c forward_propagate_into /repo/gcc-trunk/gcc/fwprop.cc:886 0x230773b forward_propagate_into /repo/gcc-trunk/gcc/fwprop.cc:835 0x230773b fwprop_insn /repo/gcc-trunk/gcc/fwprop.cc:943 0x2307819 fwprop /repo/gcc-trunk/gcc/fwprop.cc:995 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-r12-8242-20220425114659-= gf0e170f72f8-checking-yes-rtl-df-extra-nobootstrap-amd64/bin/../libexec/gcc= /x86_64-pc-linux-gnu/12.0.1/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-r12-8242-20220425114659-gf0e170f72= f8-checking-yes-rtl-df-extra-nobootstrap-amd64 Thread model: posix Supported LTO compression algorithms: zlib zstd gcc version 12.0.1 20220425 (experimental) (GCC)=