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From: "dcb314 at hotmail dot com" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c/106886] New: ice in vect_schedule_slp_node
Date: Thu, 08 Sep 2022 05:41:17 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D106886

            Bug ID: 106886
           Summary: ice in vect_schedule_slp_node
           Product: gcc
           Version: 12.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c
          Assignee: unassigned at gcc dot gnu.org
          Reporter: dcb314 at hotmail dot com
  Target Milestone: ---

Created attachment 53547
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=3D53547&action=3Dedit
C source code

Recent gcc:

$ ../results/bin/gcc -c -O2 -march=3Dbdver2 bug844.c
during GIMPLE pass: slp
rl2auxgeom.c: In function =E2=80=98rl2_set_coord_seq_value=E2=80=99:
rl2auxgeom.c:3980:1: internal compiler error: Segmentation fault
0xd67469 crash_signal(int)
        ../../trunk.git/gcc/toplev.cc:314
0x103b8f2 vect_schedule_slp_node(vec_info*, _slp_tree*, _slp_instance*)
        ../../trunk.git/gcc/vec.h:0
0x102f33f vect_schedule_scc(vec_info*, _slp_tree*, _slp_instance*,
hash_map<_slp_tree*, slp_scc_info,
simple_hashmap_traits<default_hash_traits<_slp_tree*>, slp_scc_info> >&, in=
t&,
vec<_slp_tree*, va_heap, vl_ptr>&)
        ../../trunk.git/gcc/tree-vect-slp.cc:9096
0x102f05c vect_schedule_scc(vec_info*, _slp_tree*, _slp_instance*,
hash_map<_slp_tree*, slp_scc_info,
simple_hashmap_traits<default_hash_traits<_slp_tree*>, slp_scc_info> >&, in=
t&,
vec<_slp_tree*, va_heap, vl_ptr>&)
        ../../trunk.git/gcc/tree-vect-slp.cc:9077

I will have my usual go at finding a git range and doing a reduction.=