git: openjdk/jdk: 8262837: handle split_USE correctly

[Vladimir Kozlov]

Changeset: f56c9186
Author:    Kuai Wei <kuaiwei.kw at alibaba-inc.com>
Committer: Vladimir Kozlov <kvn at openjdk.org>
Date:      2021-03-04 18:20:57 +0000
URL:       https://git.openjdk.java.net/jdk/commit/f56c9186

8262837: handle split_USE correctly

Reviewed-by: kvn

! src/hotspot/share/opto/chaitin.hpp
! src/hotspot/share/opto/reg_split.cpp