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From: "jakub at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/109573] [11 regression] ICE in
 vectorizable_live_operation, at tree-vect-loop.cc:9060 with -march=ivybridge
 since r11-3025-g095d42feed09f8
Date: Wed, 03 May 2023 08:46:58 +0000
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X-Bugzilla-Component: tree-optimization
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X-Bugzilla-Keywords: ice-on-valid-code
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D109573

Jakub Jelinek <jakub at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |jakub at gcc dot gnu.org
             Status|RESOLVED                    |REOPENED
         Resolution|FIXED                       |---

--- Comment #11 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
The testcase fails for me in gcc 11 on both x86_64-linux and i686-linux
(--enable-checking=3Dyes,rtl,extra):
+FAIL: g++.dg/vect/pr109573.cc  -std=3Dc++20 (internal compiler error)
+FAIL: g++.dg/vect/pr109573.cc  -std=3Dc++20 (test for excess errors)
+FAIL: g++.dg/vect/pr109573.cc  -std=3Dc++2b (internal compiler error)
+FAIL: g++.dg/vect/pr109573.cc  -std=3Dc++2b (test for excess errors)
/usr/src/gcc-11/gcc/testsuite/g++.dg/vect/pr109573.cc:81:6: internal compil=
er
error: in vectorizable_live_operation, at tree-vect-loop.c:8876
0x89f86d vectorizable_live_operation(vec_info*, _stmt_vec_info*,
gimple_stmt_iterator*, _slp_tree*, _slp_instance*, int, bool,
vec<stmt_info_for_cost, va_heap, vl_ptr>*)
        ../../gcc/tree-vect-loop.c:8876
0x1593097 can_vectorize_live_stmts
        ../../gcc/tree-vect-stmts.c:10663
0x15b86d8 vect_transform_stmt(vec_info*, _stmt_vec_info*,
gimple_stmt_iterator*, _slp_tree*, _slp_instance*)
        ../../gcc/tree-vect-stmts.c:11047
0x15e92fd vect_schedule_slp_node
        ../../gcc/tree-vect-slp.c:6391
0x15f6441 vect_schedule_scc
        ../../gcc/tree-vect-slp.c:6553
0x15f61cf vect_schedule_scc
        ../../gcc/tree-vect-slp.c:6534
0x15f6a17 vect_schedule_slp(vec_info*, vec<_slp_instance*, va_heap, vl_ptr>)
        ../../gcc/tree-vect-slp.c:6669
0x15f80b4 vect_slp_region
        ../../gcc/tree-vect-slp.c:5074
0x15f92ba vect_slp_bbs
        ../../gcc/tree-vect-slp.c:5186
0x15f96c4 vect_slp_function(function*)
        ../../gcc/tree-vect-slp.c:5272
0x16000c2 execute
        ../../gcc/tree-vectorizer.c:1450=