https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97347

--- Comment #4 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Richard Biener <rgue...@gcc.gnu.org>:

https://gcc.gnu.org/g:5d708c6315e0fc57992cda7b466a5a9877ced4e3

commit r11-3747-g5d708c6315e0fc57992cda7b466a5a9877ced4e3
Author: Richard Biener <rguent...@suse.de>
Date:   Fri Oct 9 10:19:38 2020 +0200

    tree-optimization/97347 - fix another SLP constant insertion issue

    Just use edge insertion which will appropriately handle the situation
    from botan.

    2020-10-09  Richard Biener  <rguent...@suse.de>

            PR tree-optimization/97347
            * tree-vect-slp.c (vect_create_constant_vectors): Use
            edge insertion when inserting on the fallthru edge,
            appropriately insert at the start of BBs when inserting
            after PHIs.

            * g++.dg/vect/pr97347.cc: New testcase.

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