[Bug tree-optimization/97633] [11 Regression] ICE at -O3: verify_gimple failed

[cvs-commit at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97633

--- 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:c0bfd9672e19caf08e45afeb4277f848488ced2b

commit r11-4564-gc0bfd9672e19caf08e45afeb4277f848488ced2b
Author: Richard Biener <rguent...@suse.de>
Date:   Fri Oct 30 09:57:02 2020 +0100

    tree-optimization/97633 - fix SLP scheduling of single-node cycles

    This makes sure to update backedges in single-node cycles.

    2020-10-30  Richard Biener  <rguent...@suse.de>

            PR tree-optimization/97633
            * tree-vect-slp.c (): Update backedges in single-node cycles.
            Optimize processing of externals.

            * g++.dg/vect/slp-pr97636.cc: New testcase.
            * gcc.dg/vect/bb-slp-pr97633.c: Likewise.