git: openjdk/jdk17u-dev: 8290964: C2 compilation fails with assert "non-reduction loop contains reduction nodes"

[Goetz Lindenmaier]

Changeset: aa8a8412
Author:    Goetz Lindenmaier <goetz at openjdk.org>
Date:      2023-01-02 13:08:40 +0000
URL:       https://git.openjdk.org/jdk17u-dev/commit/aa8a84128762f211e9eab19b6e40405ba3df968a

8290964: C2 compilation fails with assert "non-reduction loop contains reduction nodes"

Backport-of: 4bdd1c914859e221c64208d47ef309d463609953

! src/hotspot/share/opto/loopnode.cpp
! src/hotspot/share/opto/loopnode.hpp
! src/hotspot/share/opto/superword.cpp