From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 0FAE63858405; Tue, 24 Aug 2021 15:53:09 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 0FAE63858405 From: "zsojka at seznam dot cz" To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/102046] New: [12 Regression] ICE: tree check: expected class 'type', have 'exceptional' (error_mark) in useless_type_conversion_p, at gimple-expr.c:87 with -O3 -march=btver2 Date: Tue, 24 Aug 2021 15:53:09 +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: 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 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, 24 Aug 2021 15:53:10 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D102046 Bug ID: 102046 Summary: [12 Regression] ICE: tree check: expected class 'type', have 'exceptional' (error_mark) in useless_type_conversion_p, at gimple-expr.c:87 with -O3 -march=3Dbtver2 Product: gcc Version: 12.0 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 Target Milestone: --- Host: x86_64-pc-linux-gnu Created attachment 51352 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=3D51352&action=3Dedit reduced testcase Compiler output: $ x86_64-pc-linux-gnu-gcc -O3 -march=3Dbtver2 testcase.c=20 during GIMPLE pass: slp testcase.c: In function 'foo': testcase.c:9:1: internal compiler error: tree check: expected class 'type', have 'exceptional' (error_mark) in useless_type_conversion_p, at gimple-expr.c:87 9 | foo (struct S *o) | ^~~ 0x7b5b32 tree_class_check_failed(tree_node const*, tree_code_class, char const*, int, char const*) /repo/gcc-trunk/gcc/tree.c:8738 0x6a48da tree_class_check(tree_node*, tree_code_class, char const*, int, ch= ar const*) /repo/gcc-trunk/gcc/tree.h:3514 0x6a48da useless_type_conversion_p(tree_node*, tree_node*) /repo/gcc-trunk/gcc/gimple-expr.c:87 0x1101c23 verify_gimple_assign_single /repo/gcc-trunk/gcc/tree-cfg.c:4647 0x1101c23 verify_gimple_assign /repo/gcc-trunk/gcc/tree-cfg.c:4716 0x1101c23 verify_gimple_stmt /repo/gcc-trunk/gcc/tree-cfg.c:4981 0x1105a19 verify_gimple_in_cfg(function*, bool) /repo/gcc-trunk/gcc/tree-cfg.c:5467 0xfb1a37 execute_function_todo /repo/gcc-trunk/gcc/passes.c:2042 0xfb244e execute_todo /repo/gcc-trunk/gcc/passes.c:2096 Please submit a full bug report, with preprocessed source if appropriate. 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/bin/x86_64-pc-linux-gnu-gcc COLLECT_LTO_WRAPPER=3D/repo/gcc-trunk/binary-trunk-r12-3106-20210824080953-= g0deabebedd1-checking-yes-rtl-df-extra-amd64/bin/../libexec/gcc/x86_64-pc-l= inux-gnu/12.0.0/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 --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-r12-3106-20210824080953-g0deabebed= d1-checking-yes-rtl-df-extra-amd64 Thread model: posix Supported LTO compression algorithms: zlib zstd gcc version 12.0.0 20210824 (experimental) (GCC)=