From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 647043858D20; Tue, 15 Feb 2022 05:16:51 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 647043858D20 From: "zsojka at seznam dot cz" To: gcc-bugs@gcc.gnu.org Subject: [Bug target/104540] New: ICE: SIGSEGV in cfi_oprnd_equal_p with -O2 -fharden-conditional-branches -mforce-drap -mstackrealign --param=max-grow-copy-bb-insns=125 Date: Tue, 15 Feb 2022 05:16:51 +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: Tue, 15 Feb 2022 05:16:51 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D104540 Bug ID: 104540 Summary: ICE: SIGSEGV in cfi_oprnd_equal_p with -O2 -fharden-conditional-branches -mforce-drap -mstackrealign --param=3Dmax-grow-copy-bb-insns=3D125 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 52442 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=3D52442&action=3Dedit reduced testcase Compiler output: $ x86_64-pc-linux-gnu-gcc -O2 -fharden-conditional-branches -mforce-drap -mstackrealign --param=3Dmax-grow-copy-bb-insns=3D125 testcase.C=20 during RTL pass: dwarf2 testcase.C: In function 'void foo()': testcase.C:19:1: internal compiler error: Segmentation fault 19 | } | ^ 0x166367f crash_signal /repo/gcc-trunk/gcc/toplev.cc:322 0x11e1770 cfa_reg::operator=3D=3D(cfa_reg const&) const /repo/gcc-trunk/gcc/dwarf2out.h:144 0x11e1770 cfa_equal_p(dw_cfa_location const*, dw_cfa_location const*) /repo/gcc-trunk/gcc/dwarf2cfi.cc:765 0x11e1a99 cfi_row_equal_p /repo/gcc-trunk/gcc/dwarf2cfi.cc:831 0x11e534a maybe_record_trace_start /repo/gcc-trunk/gcc/dwarf2cfi.cc:2565 0x11e590b create_trace_edges /repo/gcc-trunk/gcc/dwarf2cfi.cc:2679 0x11e5f16 scan_trace /repo/gcc-trunk/gcc/dwarf2cfi.cc:2903 0x11e7303 create_cfi_notes /repo/gcc-trunk/gcc/dwarf2cfi.cc:2930 0x11e7303 execute_dwarf2_frame /repo/gcc-trunk/gcc/dwarf2cfi.cc:3301 0x11e7303 execute /repo/gcc-trunk/gcc/dwarf2cfi.cc:3789 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-r12-7228-20220214143106-= g0a1a3afb5fb-checking-yes-rtl-df-extra-amd64/bin/../libexec/gcc/x86_64-pc-l= inux-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 --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-r12-7228-20220214143106-g0a1a3afb5= fb-checking-yes-rtl-df-extra-amd64 Thread model: posix Supported LTO compression algorithms: zlib zstd gcc version 12.0.1 20220214 (experimental) (GCC)=