From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id A11B03857C7D; Thu, 5 Nov 2020 02:37:14 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org A11B03857C7D From: "asolokha at gmx dot com" To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/97721] New: [11 Regression] ICE in verify_range, at value-range.cc:361 Date: Thu, 05 Nov 2020 02:37:14 +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: 11.0 X-Bugzilla-Keywords: 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 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, 05 Nov 2020 02:37:14 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D97721 Bug ID: 97721 Summary: [11 Regression] ICE in verify_range, at value-range.cc:361 Product: gcc Version: 11.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: tree-optimization Assignee: unassigned at gcc dot gnu.org Reporter: asolokha at gmx dot com Target Milestone: --- gcc-11.0.0-alpha20201101 snapshot (g:590febb5f6624f78b36402a7c9a9c318978f1e= fa) ICEs when compiling the following testcase w/ -O1 -fno-tree-dominator-opts: int ot; void z6 (char *tw) { while (ot >=3D 0) --ot; __builtin_strcpy (&tw[ot], tw); } % gcc-11.0.0 -O1 -fno-tree-dominator-opts -c xcjgghki.c during GIMPLE pass: wrestrict xcjgghki.c: In function 'z6': xcjgghki.c:4:1: internal compiler error: in verify_range, at value-range.cc= :361 4 | z6 (char *tw) | ^~ 0x726a05 irange::verify_range() =20=20=20=20=20=20=20 /var/tmp/portage/sys-devel/gcc-11.0.0_alpha20201101/work/gcc-11-20201101/gc= c/value-range.cc:361 0x10bc9bb irange::irange_intersect(irange const&) =20=20=20=20=20=20=20 /var/tmp/portage/sys-devel/gcc-11.0.0_alpha20201101/work/gcc-11-20201101/gc= c/value-range.cc:1752 0x176007d irange::intersect(irange const&) =20=20=20=20=20=20=20 /var/tmp/portage/sys-devel/gcc-11.0.0_alpha20201101/work/gcc-11-20201101/gc= c/value-range.h:541 0x176007d gori_compute::compute_name_range_op(irange&, gimple*, irange cons= t&, tree_node*) =20=20=20=20=20=20=20 /var/tmp/portage/sys-devel/gcc-11.0.0_alpha20201101/work/gcc-11-20201101/gc= c/gimple-range-gori.cc:495 0x176363e gori_compute::compute_operand_range(irange&, gimple*, irange cons= t&, tree_node*) =20=20=20=20=20=20=20 /var/tmp/portage/sys-devel/gcc-11.0.0_alpha20201101/work/gcc-11-20201101/gc= c/gimple-range-gori.cc:575 0x176363e gori_compute_cache::compute_operand_range(irange&, gimple*, irange const&, tree_node*) =20=20=20=20=20=20=20 /var/tmp/portage/sys-devel/gcc-11.0.0_alpha20201101/work/gcc-11-20201101/gc= c/gimple-range-gori.cc:1280 0x17625e7 gori_compute::outgoing_edge_range_p(irange&, edge_def*, tree_node= *) =20=20=20=20=20=20=20 /var/tmp/portage/sys-devel/gcc-11.0.0_alpha20201101/work/gcc-11-20201101/gc= c/gimple-range-gori.cc:1003 0x175e52e ranger_cache::iterative_cache_update(tree_node*) =20=20=20=20=20=20=20 /var/tmp/portage/sys-devel/gcc-11.0.0_alpha20201101/work/gcc-11-20201101/gc= c/gimple-range-cache.cc:632 0x175ea72 ranger_cache::fill_block_cache(tree_node*, basic_block_def*, basic_block_def*) =20=20=20=20=20=20=20 /var/tmp/portage/sys-devel/gcc-11.0.0_alpha20201101/work/gcc-11-20201101/gc= c/gimple-range-cache.cc:804 0x175f22d ranger_cache::block_range(irange&, basic_block_def*, tree_node*, bool) =20=20=20=20=20=20=20 /var/tmp/portage/sys-devel/gcc-11.0.0_alpha20201101/work/gcc-11-20201101/gc= c/gimple-range-cache.cc:585 0x1757a60 gimple_ranger::range_on_entry(irange&, basic_block_def*, tree_nod= e*) =20=20=20=20=20=20=20 /var/tmp/portage/sys-devel/gcc-11.0.0_alpha20201101/work/gcc-11-20201101/gc= c/gimple-range.cc:942 0x175843b gimple_ranger::range_of_expr(irange&, tree_node*, gimple*) =20=20=20=20=20=20=20 /var/tmp/portage/sys-devel/gcc-11.0.0_alpha20201101/work/gcc-11-20201101/gc= c/gimple-range.cc:913 0x1757b5b gimple_ranger::range_on_exit(irange&, basic_block_def*, tree_node= *) =20=20=20=20=20=20=20 /var/tmp/portage/sys-devel/gcc-11.0.0_alpha20201101/work/gcc-11-20201101/gc= c/gimple-range.cc:963 0x1757d36 gimple_ranger::range_on_edge(irange&, edge_def*, tree_node*) =20=20=20=20=20=20=20 /var/tmp/portage/sys-devel/gcc-11.0.0_alpha20201101/work/gcc-11-20201101/gc= c/gimple-range.cc:980 0x175b769 gimple_ranger::range_of_phi(irange&, gphi*) =20=20=20=20=20=20=20 /var/tmp/portage/sys-devel/gcc-11.0.0_alpha20201101/work/gcc-11-20201101/gc= c/gimple-range.cc:504 0x175bc7d gimple_ranger::calc_stmt(irange&, gimple*, tree_node*) =20=20=20=20=20=20=20 /var/tmp/portage/sys-devel/gcc-11.0.0_alpha20201101/work/gcc-11-20201101/gc= c/gimple-range.cc:374 0x175be5e gimple_ranger::range_of_stmt(irange&, gimple*, tree_node*) =20=20=20=20=20=20=20 /var/tmp/portage/sys-devel/gcc-11.0.0_alpha20201101/work/gcc-11-20201101/gc= c/gimple-range.cc:1020 0x1758508 gimple_ranger::range_of_expr(irange&, tree_node*, gimple*) =20=20=20=20=20=20=20 /var/tmp/portage/sys-devel/gcc-11.0.0_alpha20201101/work/gcc-11-20201101/gc= c/gimple-range.cc:910 0x1759864 gimple_ranger::range_of_range_op(irange&, gimple*) =20=20=20=20=20=20=20 /var/tmp/portage/sys-devel/gcc-11.0.0_alpha20201101/work/gcc-11-20201101/gc= c/gimple-range.cc:427 0x175ba5a gimple_ranger::calc_stmt(irange&, gimple*, tree_node*) =20=20=20=20=20=20=20 /var/tmp/portage/sys-devel/gcc-11.0.0_alpha20201101/work/gcc-11-20201101/gc= c/gimple-range.cc:372=