From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 3A0D438930DE; Tue, 3 Aug 2021 06:41:46 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 3A0D438930DE From: "asolokha at gmx dot com" To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/101741] New: [12 Regression] ICE in fold_stmt, at gimple-range-fold.cc:541 Date: Tue, 03 Aug 2021 06:41:45 +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-checking, ice-on-invalid-code X-Bugzilla-Severity: normal X-Bugzilla-Who: asolokha at gmx dot com 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 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, 03 Aug 2021 06:41:46 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D101741 Bug ID: 101741 Summary: [12 Regression] ICE in fold_stmt, at gimple-range-fold.cc:541 Product: gcc Version: 12.0 Status: UNCONFIRMED Keywords: ice-checking, ice-on-invalid-code Severity: normal Priority: P3 Component: tree-optimization Assignee: unassigned at gcc dot gnu.org Reporter: asolokha at gmx dot com Target Milestone: --- gcc-12.0.0-alpha20210801 snapshot (g:6f0c43e97825ee54e3779afbedcd0def124430= 01) ICEs when compiling the following testcase w/ -O1: int foo (void); unsigned int toupper (int c) { c =3D foo (); while (c) c =3D toupper (c); return c; } % gcc-12.0.0 -O1 -c kfqwhatr.c during GIMPLE pass: dom kfqwhatr.c: In function 'toupper': kfqwhatr.c:5:1: internal compiler error: in fold_stmt, at gimple-range-fold.cc:541 5 | toupper (int c) | ^~~~~~~ 0x7d2d8a fold_using_range::fold_stmt(irange&, gimple*, fur_source&, tree_no= de*) =20=20=20=20=20=20=20 /var/tmp/portage/sys-devel/gcc-12.0.0_alpha20210801/work/gcc-12-20210801/gc= c/gimple-range-fold.cc:541 0x18e1b7e fold_range(irange&, gimple*, range_query*) =20=20=20=20=20=20=20 /var/tmp/portage/sys-devel/gcc-12.0.0_alpha20210801/work/gcc-12-20210801/gc= c/gimple-range-fold.cc:317 0x11ad8c5 vr_values::extract_range_basic(value_range_equiv*, gimple*) =20=20=20=20=20=20=20 /var/tmp/portage/sys-devel/gcc-12.0.0_alpha20210801/work/gcc-12-20210801/gc= c/vr-values.c:1234 0x18ea7e5 evrp_range_analyzer::record_ranges_from_stmt(gimple*, bool) =20=20=20=20=20=20=20 /var/tmp/portage/sys-devel/gcc-12.0.0_alpha20210801/work/gcc-12-20210801/gc= c/gimple-ssa-evrp-analyze.c:308 0x1066e80 jt_state::record_ranges_from_stmt(gimple*, bool) =20=20=20=20=20=20=20 /var/tmp/portage/sys-devel/gcc-12.0.0_alpha20210801/work/gcc-12-20210801/gc= c/tree-ssa-threadedge.c:1391 0x1066e80 jump_threader::record_temporary_equivalences_from_stmts_at_dest(edge_def*) =20=20=20=20=20=20=20 /var/tmp/portage/sys-devel/gcc-12.0.0_alpha20210801/work/gcc-12-20210801/gc= c/tree-ssa-threadedge.c:269 0x1067501 jump_threader::thread_through_normal_block(vec*, edge_def*, bitmap_head*) =20=20=20=20=20=20=20 /var/tmp/portage/sys-devel/gcc-12.0.0_alpha20210801/work/gcc-12-20210801/gc= c/tree-ssa-threadedge.c:977 0x1068600 jump_threader::thread_through_normal_block(vec*, edge_def*, bitmap_head*) =20=20=20=20=20=20=20 /var/tmp/portage/sys-devel/gcc-12.0.0_alpha20210801/work/gcc-12-20210801/gc= c/tree-ssa-threadedge.c:1262 0x1068600 jump_threader::thread_across_edge(edge_def*) =20=20=20=20=20=20=20 /var/tmp/portage/sys-devel/gcc-12.0.0_alpha20210801/work/gcc-12-20210801/gc= c/tree-ssa-threadedge.c:1150 0xf6eba4 dom_opt_dom_walker::after_dom_children(basic_block_def*) =20=20=20=20=20=20=20 /var/tmp/portage/sys-devel/gcc-12.0.0_alpha20210801/work/gcc-12-20210801/gc= c/tree-ssa-dom.c:1473 0x18ab16a dom_walker::walk(basic_block_def*) =20=20=20=20=20=20=20 /var/tmp/portage/sys-devel/gcc-12.0.0_alpha20210801/work/gcc-12-20210801/gc= c/domwalk.c:352 0xf70acb execute =20=20=20=20=20=20=20 /var/tmp/portage/sys-devel/gcc-12.0.0_alpha20210801/work/gcc-12-20210801/gc= c/tree-ssa-dom.c:764=